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Articles 1 - 30 of 57
Full-Text Articles in Engineering
The Method Of Fundemental Solutions For The Multi-Dimensional Wave Equations, Meng-Huang Gu, Chia-Ming Fan, Der-Liang Young
The Method Of Fundemental Solutions For The Multi-Dimensional Wave Equations, Meng-Huang Gu, Chia-Ming Fan, Der-Liang Young
Journal of Marine Science and Technology
In this paper, a meshless method is developed for solving multi-dimensional wave equations. The proposed method is based on the method of particular solution (MPS), the method of fundamental solutions (MFS) and the Houbolt finite difference (FD) method. The wave equation is considered as a Poisson-type equation with the time-dependent source term. The Houbolt method is applied to avoid the difficult problems for dealing with the initial conditions in forming the linear algebra system. The works of space discretization are dependent on the method of particular solution and the method of fundamental solutions. There are three numerical examples considered in …
Numerical Modeling Of A Dual Pontoon Floating Structure With A Liquid Container, Chai-Cheng Huang, Chih-Ting Feng, Hung-Jie Tang
Numerical Modeling Of A Dual Pontoon Floating Structure With A Liquid Container, Chai-Cheng Huang, Chih-Ting Feng, Hung-Jie Tang
Journal of Marine Science and Technology
A numerical model is developed to investigate the waveinduced dynamic properties of a dual pontoon floating structure (DPFS) with a liquid container on the top. This model has to deal with two kinds of fluid domain: one is the incident wave domain, while the other is the excited fluid domain in a sloshing container. The boundary integral equation method (BIEM) with linear element scheme is applied to forming a 2D fully nonlinear numerical wave tank (NWT). The secondorder Stokes wave theory is adopted to give the velocity on the input boundary. The velocity potential and acceleration potential are solved simultaneously …
Development Of Early Warning Modeling System For Sudden Chemical Spill In Plain River Network, Hai-Long Yin, Zu-Xin Xu, Chen Wang, Da Yu
Development Of Early Warning Modeling System For Sudden Chemical Spill In Plain River Network, Hai-Long Yin, Zu-Xin Xu, Chen Wang, Da Yu
Journal of Marine Science and Technology
An early warning modeling system for assessing potential river water quality threat from sudden chemical discharge incidents was developed, based on a hydrodynamic model for tidal plain river network equipped with sluice gates and water quality models. For the hydrodynamic model, the mode to simulate river flow under artificial irreversible gate operation was presented, so that the flow related to gate control with tidal occurrence could be simulated, which was calibrated by the measured data. For the water quality models, three kinds of models including oil spill model, hydrophobic model and hydrophilic model were developed based on chemical properties. With …
Influences Of Discharge Reductions On Salt Water Intrusion And Residual Circulation In Danshuei River, Wen-Cheng Liu, Wei-Bo Chen, Ming-Hsi Hsu
Influences Of Discharge Reductions On Salt Water Intrusion And Residual Circulation In Danshuei River, Wen-Cheng Liu, Wei-Bo Chen, Ming-Hsi Hsu
Journal of Marine Science and Technology
A three-dimensional, unstructured grid, hydrodynamic model was established and applied to study the salt water intrusion and residual circulation in the Danshuei River estuarine system of northern Taiwan. The construction of two reservoirs (i.e. Shihmen Reservoir and Feitsui Reservoir) and water diversion in the upper reaches of the river system significantly reduces the freshwater inflow. The changes had contributed farther to the intrusion of tidal flow and salt water in the upstream direction. The model was validated with available hydrographic data measured in 2001 then used to probe the change in salt water intrusion as a result of reservoir construction. …
Streamwise Dynamics Controlled Jet Spreading, Mixing And Physical Source Of The Vortices, Amalendu Sau, Robert R. Hwang
Streamwise Dynamics Controlled Jet Spreading, Mixing And Physical Source Of The Vortices, Amalendu Sau, Robert R. Hwang
Journal of Marine Science and Technology
Within the framework of the present investigation we perform Direct Numerical Simulations to study the role of streamwise dynamics in the jet spreading and mixing, and provide a clear understanding about the source of these important vortices in two-step rectangular sudden expansion flows. The present setup is designed to generate higher mass entrainment, and the system generated passive forcing provided the necessary impetus for the sustained growth/evolution of the streamwise vertices, which played the key role in the mixing enhancement. On the other hand, by suitably placing two tiny rectangular ‘tabs’ on the inlet channel walls, the nature of growth …
A 2d Chaos-Based Visual Encryption Scheme For Clinical Eeg Signals, Chin-Feng Lin, Boa-Shun Wang
A 2d Chaos-Based Visual Encryption Scheme For Clinical Eeg Signals, Chin-Feng Lin, Boa-Shun Wang
Journal of Marine Science and Technology
In this paper, we have developed a two-dimensional (2D) chaos-based encryption scheme that can be applied to signals with transmission bit errors in clinical electroencephalography (EEG) and mobile telemedicine. As opposed to one-dimensional (1D) chaos-based encryption, the proposed 2D schemes uses the concept of parallel processing to increase the encryption speed. An essential feature of the proposed scheme is that signals mapping of a 2D chaotic scrambler and a permutation scheme are used to obtain clinical EEG information that requires high-level encryption. Simulation results show that when the correct deciphering parameters are inputted, EEG signals with a transmission bit error …
Effect Of Transverse Surface Roughness On The Performance Of Hydromagnetic Squeeze Film Between Conducting Truncated Conical Plates, Pragna Amratlal Vadher, Gunamani Deheri, Rakesh Manilal Patel
Effect Of Transverse Surface Roughness On The Performance Of Hydromagnetic Squeeze Film Between Conducting Truncated Conical Plates, Pragna Amratlal Vadher, Gunamani Deheri, Rakesh Manilal Patel
Journal of Marine Science and Technology
An attempt has been made to study and analyze the behavior of a hydromagnetic squeeze film between conducting porous transversely rough truncated conical plates. The associated Reynolds' equation is solved with appropriate boundary conditions to investigate the behavior of performance characteristics. The results indicate that the performance of the bearing system gets enhanced vis-à-vis a bearing system working with a conventional lubricant. This article reveals that the negative effect induced by porosity and standard deviation can be overcome completely by the positive effect of the magnetization parameter and conductivities by choosing suitable aspect ratio and the semi-vertical angle in the …
Design Of A Two-Stage Electromagnetic Impulse Force Circuit For Gene Gun, Pei-Hwa Huang, Ping-Yin Chen
Design Of A Two-Stage Electromagnetic Impulse Force Circuit For Gene Gun, Pei-Hwa Huang, Ping-Yin Chen
Journal of Marine Science and Technology
The main objective of this paper is to present a design of the power source for gene gun based on the principle of electromagnetic mechanism. The energy stored in capacitors will be discharged toward the electromagnetic device of gene gun for providing micro-projectiles with electromagnetic force to generate the desired impact force, and a specific electronic circuit is to be designed to achieve the coupling between the electromagnetic device and the energy storage capacitor. A gene gun is to be implemented for a testing purpose. In order to reduce the size and the cost of the gene gun, a two-stage …
A New Species Of Rhinogobius Gill, 1859 (Teleostei: Gobiidae) From The Bonin Islands, Japan, Toshiyuki Suzuki, I-Shiung Chen, Hiroshi Senou
A New Species Of Rhinogobius Gill, 1859 (Teleostei: Gobiidae) From The Bonin Islands, Japan, Toshiyuki Suzuki, I-Shiung Chen, Hiroshi Senou
Journal of Marine Science and Technology
A new freshwater goby, Rhinogobius ogasawaraensis was collected from streams of the Bonin Islands (Ogasawara Group), Japan. The species can be distinguished from all congeneric species by the following combination of characters: (1) meristic features: second dorsal fin rays I, 8-9; pectoral fin rays 18-20; predorsal scales 7-16; longitudinal scale rows usually 32-34; vertebral count 26; and (2) specific colouration: check with some red spots, nape with several longitudinal dark stripes, upper part of pectoral fin base with a horizontal deep brown bar, intermittent dark dotted rows along middle axis of body, no saddle shaped patch of dark dots on …
Harmonic Decomposition By Hht On Regular Waves Propagating Over A Rectangular Submerged Obstacle Upon A Fluidized Bed, Yung-Lung Chen, Shiaw-Yih Tzang, Shan-Hwei Ou
Harmonic Decomposition By Hht On Regular Waves Propagating Over A Rectangular Submerged Obstacle Upon A Fluidized Bed, Yung-Lung Chen, Shiaw-Yih Tzang, Shan-Hwei Ou
Journal of Marine Science and Technology
The experimental measurements of surface waves over a submerged rectangular obstacle upon a sandy bed reported by Tzang et al. (2008) have further been analyzed in detail by Hilbert-Huang transform (HHT). The harmonic components of regular waves at 5 sites in the vicinity of the obstacle are decomposed into the intrinsic mode functions (IMFs) by the ensemble empirical mode decomposition (EEMD) with postprocessing scheme using masking signal EMD (MSEMD). The results of Hilbert spectrum of waves derived by the HHT illustrate that considerable decay of harmonic amplitude occurs at all 5 sites when the sandy bed have been fluidized but …
Improved Technique For Controlling Oscillation Of Coastal Morphological Modeling System, Yun-Chih Chiang, Sung-Shan Hsiao, Ming-Chung Lin
Improved Technique For Controlling Oscillation Of Coastal Morphological Modeling System, Yun-Chih Chiang, Sung-Shan Hsiao, Ming-Chung Lin
Journal of Marine Science and Technology
Numerical modeling of coastal morphological evolution is a powerful tool for the planning and design of coastal engineering. The coastal morphological modeling system is based on the sediment conservation law, which couples modules for waves, wave-driven currents, and sediment transport rates. The numerical scheme for the sediment conservation law and nonlinear coupling between these modules can lead to dispersions, diffusions, spurious oscillations and instability problems that are still not well established. Filtering or artificial diffusion are often added to achieve stability. In this paper, several controlling oscillations schemes without filters are described. A stable morphological model is introduced with a …
Dynamic Coupling Of Multi-Phase Fluids With A Moving Obstacle, Tso-Ren Wu, Chih-Jung Huang, Mei-Hui Chuang, Chung-Yue Wang, Chia-Ren Chu
Dynamic Coupling Of Multi-Phase Fluids With A Moving Obstacle, Tso-Ren Wu, Chih-Jung Huang, Mei-Hui Chuang, Chung-Yue Wang, Chia-Ren Chu
Journal of Marine Science and Technology
In this paper, we present a two-way coupled moving solid algorithm with discrete element method (DEM) to simulate dynamic fluid-solid interaction. This model allows obstacles moving in the multi-phase fluids to generate realistic motion for both the fluids and obstacles. We discretize the NavierStokes equation using finite volume method (FVM) for the fluid part. The volume-of-fluid (VOF) method is used to track the fluid-fluid and fluid-solid interfaces. This algorithm is useful in the fields of Engineering and Earth Sciences, such as structure collapse and landslide generated tsunamis. Examples of landslide tsunami and floating cubes are demonstrated using the algorithm.
Sensitivity Analysis Of Time/Depth Dependent Chloride Diffusion Coefficient In Concrete, Yung-Ming Sun, Ta-Peng Chang, Ming-Te Liang
Sensitivity Analysis Of Time/Depth Dependent Chloride Diffusion Coefficient In Concrete, Yung-Ming Sun, Ta-Peng Chang, Ming-Te Liang
Journal of Marine Science and Technology
This paper presents the results for a sensitivity analysis of the time/depth dependent chloride diffusion model in concrete using differential analysis techniques. Four governing prameters of the model are taken to determine the sensitivity of the chloride diffusion coefficient: the time of exposure, inspecting depth, surface chloride concentration, and chloride concetration at the inspecting point. The results of this sensitivity analysis are discussed in detail, including variations in the diffusion coefficient according to the four parameters and the implications for durability design of concrete structures.
Evaluation Of The Recovery Time Of Sea Bass (Dicentrarchus Labrax Linnaeus, 1758) Juveniles From Transport And Handling Stress: Using Ammonia Nitrogen Excretion Rates As A Stress Indicator, Betül Kayali, Murat Yigit, Musa Bulut
Evaluation Of The Recovery Time Of Sea Bass (Dicentrarchus Labrax Linnaeus, 1758) Juveniles From Transport And Handling Stress: Using Ammonia Nitrogen Excretion Rates As A Stress Indicator, Betül Kayali, Murat Yigit, Musa Bulut
Journal of Marine Science and Technology
A time-course study was conducted in order to evaluate the recovery time of juvenile Sea bass (Dicentrarchus labrax) from transport and handling stress. Among metabolite indices, ammonia nitrogen excretion rates were used as stress indicator. The measurements were carried out in water ambience of 13 ± 1ºC under natural light conditions (16L/8D photoperiod). Juveniles were transported for about 2 hours in a fish transport tank with oxygen supply. Handling stress was due to netting at the outlet site during stocking fish into the transport tank and netting at the experimental facility while transferring fish from transport tank into experimental tanks. …
Space-Time Least-Squares Finite-Element Method For Shallow-Water Equations, Shin-Jye Liang, Ying-Chih Chen
Space-Time Least-Squares Finite-Element Method For Shallow-Water Equations, Shin-Jye Liang, Ying-Chih Chen
Journal of Marine Science and Technology
In this paper, a space-time least-squares finite-element method for the 2D nonlinear shallow-water equations (SWE) is developed. The method can easily handle complex geometry, bed slope (source term), and radiation boundary condition without any special treatment. Other advantages of the method include: high order approximations in space and time can easily be employed, no upwind scheme is needed, as well as the resulting system equations is symmetric and positivedefinite, therefore, can be solved efficiently with the pre-conditioned conjugate gradient method. The model is applied to several benchmark tests, including standing wave in a flat closed basin, propagation of sinusoidal wave …
Transient Response Of Long Bubbles In Volatile Organic Compounds, Cheng-Hsing Hsu, Ching-Chuan Chang, Chia-Chuan Kuo, Kuang-Yuan Kung
Transient Response Of Long Bubbles In Volatile Organic Compounds, Cheng-Hsing Hsu, Ching-Chuan Chang, Chia-Chuan Kuo, Kuang-Yuan Kung
Journal of Marine Science and Technology
A mass flow controller (MFC) was used to control the injection gas amount into volatile organic compounds (VOCs), each having a different evaporation rate, within straight tubes. As the moving velocities of the air bubbles within the straight tube had changed, a specific transient response occurred. The transient shape was a mushroom bubbles. From the experiment results, as the evaporation rate of VOCs ≧ 1, mushroom bubbles occur as the Reynolds number (Re) of the moving air bubbles reach a certain region. Moreover, the shapes mushroom bubbles were more apparent when volatility of the solvent was higher. As VOCs evaporation …
Reconsideration For A Study Of The Effect Of Chloride Binding On Service Life Predictions, Ming-Te Liang, Ran Huang, Hao-Yuan Jheng
Reconsideration For A Study Of The Effect Of Chloride Binding On Service Life Predictions, Ming-Te Liang, Ran Huang, Hao-Yuan Jheng
Journal of Marine Science and Technology
The major purpose of this paper is to use Kirchhoff's transformation associated with Laplace's transformation methods to obtain the analytical solution of the modified Fick's second law of nonlinear diffusion equation with initial and boundary conditions provided by Martín-Pérez et al. [A study of the effect of chloride binding on service life predictions. Cement and Concrete Research 2000; 30 (8): 1215-1223]. Based on experimented data and four kinds of chloride binding isotherm, i.e., no, linear, Langmuir, and Freundlich binding, results of free and total chloride concentration profiles calculated from the analytical solution are presented for a concrete structure suffered from …
The Modified Collocation Trefftz Method And Laplacian Decomposition For Solving Two-Dimensional Stokes Problems, Chia-Ming Fan, Hong-Huei Li, Chung-Lun Kuo
The Modified Collocation Trefftz Method And Laplacian Decomposition For Solving Two-Dimensional Stokes Problems, Chia-Ming Fan, Hong-Huei Li, Chung-Lun Kuo
Journal of Marine Science and Technology
In this paper, the two-dimensional Stokes problem is analyzed by the modified collocation Trefftz method (MCTM) and the Laplacian decomposition. The coupled Stokes equations are converted to three Laplace equations by utilizing the Laplacian decomposition and then the boundary-type meshless MCTM is adopted to solve the resultant Laplace equations. The MCTM, free from mesh and numerical quadrature, is derived from the conventional Trefftz method by considering the characteristic length of the domain, which stabilize the numerical scheme and obtain highly accurate results. Besides, the solutions are expressed as the linear combination of T-complete functions and the velocity as well as …
Overcoming The Negative Frequencies - Instantaneous Frequency And Amplitude Estimation Using Osculating Circle Method, Ming-Kuang Hsu, Jiun-Chyuan Sheu, Cesar Hsue
Overcoming The Negative Frequencies - Instantaneous Frequency And Amplitude Estimation Using Osculating Circle Method, Ming-Kuang Hsu, Jiun-Chyuan Sheu, Cesar Hsue
Journal of Marine Science and Technology
There are many methods able to extract the instantaneous frequencies from a time series for practical applications. Gabor's method is one of the most popular and simple methods. For wide band time series, Gabor's method may produce negative frequencies. The limitation of Gabor's method is that, in order to avoid resulting with negative frequencies, it can only be applied to time series with mono component and near zero mean. In this paper, a new method that does not generate negative frequencies, the Osculating Circle (OC) Method, is presented. The OC method is based on Gabor's method but with modified unwrapped …
Long-Term Predictive Value Interval With The Fuzzy Time Series, Ming-Tao Chou
Long-Term Predictive Value Interval With The Fuzzy Time Series, Ming-Tao Chou
Journal of Marine Science and Technology
This paper presents a new mathematical method to construct a fuzzy time series model of a system where the fuzzy support and interval values are used. This paper further presents an improved fuzzy time series model with a long-term predictive value interval and shows that the proposed definition can be used for long-term forecasting. The enrollment data of the University of Alabama (adopted by Song and Chissom, 1993) are used to demonstrate the proposed forecast model.
Selecting Ports And Terminal Operators - An Application Of Pso, Tzay-An Shiau, Li-Mei Lin, Ding-Hsun Hsiao
Selecting Ports And Terminal Operators - An Application Of Pso, Tzay-An Shiau, Li-Mei Lin, Ding-Hsun Hsiao
Journal of Marine Science and Technology
Past literature has mostly discussed port selection. However, within a given region, any port which meets a carrier’s threshold conditions is eligible for consideration, and a terminal operator at any of these ports is a candidate for entering into a contract with the carrier. The choice is not restricted to terminal operators at a single given port. Thus the choice of terminal operator between ports within a given region is an important issue in the decision-making process and has rarely been addressed in the literature. The main purpose of this paper is to examine a situation in which all ports …
Numerical Assessment Of A Venting System With Multi-Chamber Mufflers By Ga Method, Min-Chie Chiu, Ying-Chun Chang
Numerical Assessment Of A Venting System With Multi-Chamber Mufflers By Ga Method, Min-Chie Chiu, Ying-Chun Chang
Journal of Marine Science and Technology
Recently, research on new techniques of single-chamber perforated silencers has been addressed. However, the research work on shape optimization of multi-chamber silencers within a compact volume is rare. Work on the maximal allowable back pressure of mufflers has also been neglected. Therefore, the main purpose of this paper is to analyze the sound transmission loss (STL) of a space-constrained multi-chamber muffler and to optimize the best design shape under a specified pressure drop. In this paper, both the generalized decoupling technique and plane wave theory used to solve the coupled acoustical problem of multi-chamber perforated mufflers are presented. The four-pole …
Fuzzy Control For Input Constrained Passive Affine Takagi-Sugeno Fuzzy Models: An Application To Truck-Trailer System, Wen-Jer Chang, Cheung-Chieh Ku, Chien-Hsun Huang
Fuzzy Control For Input Constrained Passive Affine Takagi-Sugeno Fuzzy Models: An Application To Truck-Trailer System, Wen-Jer Chang, Cheung-Chieh Ku, Chien-Hsun Huang
Journal of Marine Science and Technology
This paper describes a design of fuzzy controller for the input constrained discrete nonlinear passive systems via affine Takagi-Sugeno (T-S) fuzzy models. The stability conditions are derived based on Lyapunov and passive theories for the closed-loop system. The fuzzy controller design is accomplished by using the concept of Parallel Distribution Compensation (PDC). According to the proposed fuzzy control approach, the controlled system can achieve passive property and the input constraint, simultaneously. The Iterative Linear Matrix Inequality (ILMI) algorithm is applied in this paper to find the feasible solutions for the proposed fuzzy controller design approach. At last, a numerical simulation …
Experimental Study On The Flow Characteristics For Wind Over A Two-Dimensional Upwind Slope Escarpment, Ben-Jue Tsai, Bao-Shi Shiau
Experimental Study On The Flow Characteristics For Wind Over A Two-Dimensional Upwind Slope Escarpment, Ben-Jue Tsai, Bao-Shi Shiau
Journal of Marine Science and Technology
In this present study, wind tunnel experiments were conducted to measure the flow and turbulence characteristics for wind over an upwind slope of 15° escarpment. The mean wind speed and turbulence statistics, such as turbulence intensity, Reynolds stress, and wind power spectrum are investigated. Results indicate that wind speed-up phenomenon (increase of speed) occurred significantly around the tip of the upwind slope. The turbulence intensity decreases gradually as the wind flows from the toe of upwind slope to the tip of upwind slope. The wind power spectra for several sites along the upwind slope and top surface of escarpment at …
Experimental Analysis For Thermal Performance Of A Vapor Chamber Applied To High-Performance Servers, Rong-Tsu Wang, Jung-Chang Wang, Tien-Li Chang
Experimental Analysis For Thermal Performance Of A Vapor Chamber Applied To High-Performance Servers, Rong-Tsu Wang, Jung-Chang Wang, Tien-Li Chang
Journal of Marine Science and Technology
This article conducts experimental analysis using the window program VCTM V1.0 to investigate the thermal performance of a vapor chamber and then applies the findings to a high-performance server. The experimental method is derived from a novel formula for the effective thermal conductivity of a vapor chamber and functions to calculate its thermal performance. Results show that the maximum heat flux is over 100 W/cm2 , and the effective thermal conductivity is many times higher than the copper heat spreaders. The maximum effective thermal conductivity is 870 W/m°C according to the novel formula, and comparing it with the experimental value, …
Experimental And Numerical Study On The Flow Visualization In A Tri-Helical Static Mixer, Kuo-Tung Chang, Jer-Huan Jang, Teng-Chuang Lai, Jun-Nan Chen
Experimental And Numerical Study On The Flow Visualization In A Tri-Helical Static Mixer, Kuo-Tung Chang, Jer-Huan Jang, Teng-Chuang Lai, Jun-Nan Chen
Journal of Marine Science and Technology
In this work, the flow visualization in a tri-helical static mixer has been investigated in detailed both experimentally and numerically. The static mixer used for the present study consists of four elements with a series of alternating left and right helical elements. Each element has the aspect ratio of 1.5 (i.e., L/D = 1.5) and twisted angle of 180°. The objective of this investigation is mainly to explore the flow pattern inside a tri-helical static mixer due to its novelty and originality. It is clearly observed that the flows at the trailing edge for both numerical and experimental results are …
Improvement Of Biophysical Micromixer Design, Chin-Tsan Wang, Tzu-Yang Hu
Improvement Of Biophysical Micromixer Design, Chin-Tsan Wang, Tzu-Yang Hu
Journal of Marine Science and Technology
In a passive micro-scale mixer, the complete mixing of two or more fluids within a reasonable time period plays an important role. Microfluidic transportation and effective mixing are of importance and require examination. The biophysical micromixer addressed by authors would be utilized because of its excellent ability to enlarge the interface and reduce the diffusion length during the mixing process. Here, the mixing efficiency, pressure drop and Aspect ratio (AR) at an optimal inlet Reynolds ratio will be studied. Some useful results will be addressed: First, the dimensions of AX, GX, GY, FX, HX, HY and J would be effective …
Investigating The Safety Cognition Of Taiwan's Construction Personnel, Wei Tong Chen, Chun Sheng Lu, Ying-Hua Huang
Investigating The Safety Cognition Of Taiwan's Construction Personnel, Wei Tong Chen, Chun Sheng Lu, Ying-Hua Huang
Journal of Marine Science and Technology
A high construction accident rate is related to failures in the implementation of safety management. The rate of occupational injuries of Taiwan construction industry is higher than the ones of the developed counties. Knowledge and reinforcement of safety cognition for construction personnel are critical to improve safety performance in construction. In this study, a safety cognition evaluation scale is developed to measure the safety cognition of construction personnel in Taiwan. The safety cognition of construction personnel was ranked in descending order of safety engineers, contractor-related personnel, and design/audit personnel. The aspect of accident statistics has the smallest cognition differences while …
Applied Methodology For Computational Formulation In International Expansion Strategy Of Taiwanese Semiconductor Industry, Cher-Min Fong, Hoang Linh Nguyen
Applied Methodology For Computational Formulation In International Expansion Strategy Of Taiwanese Semiconductor Industry, Cher-Min Fong, Hoang Linh Nguyen
Journal of Marine Science and Technology
This study seeks to contribute to entry mode literature by introducing the concept of “corporate culture diversity”. Compared to multinational enterprises (MNEs) from developed countries, Taiwan’s MNEs have shorter history of internationalization. Therefore, international learning is critical to their entry modes. We examined an original determinant of entry mode choice, proposed and tested the operationalization for a new theoretical construct, namely “corporate culture diversity”. Hypotheses were developed on the entry modes in relation to cultural diversity of a firm’s international experience, a step beyond the conventional theory of how national cultural differences influence the international expansion strategy. The hypotheses were …
A Generalized Approach To The Solution Of One-Dimensional Stock-Cutting Problem For Small Shipyards, Ahmet Cemil Dikili, Baris Barlas
A Generalized Approach To The Solution Of One-Dimensional Stock-Cutting Problem For Small Shipyards, Ahmet Cemil Dikili, Baris Barlas
Journal of Marine Science and Technology
A generalized approach is introduced for the optimization of one-dimensional cutting stock problem (1D-CSP), which occurs in wide variety of engineering manufacturing processes especially in ship building industry. Instead of making preliminary specifications and accordingly ignoring many alternative arrangements, the suggested optimization technique selectively considers feasible arrangements by eliminating majority of the possible but inefficient arrangements thus rendering the problem solvable for practical applications. The introduced approach, which minimizes the piece arrangement plans and trim losses in the material, achieves the ideal solution implied by the analytical methods. Another important advantage of the present method is its ability to produce …