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Articles 1 - 4 of 4
Full-Text Articles in Civil Engineering
Optimal Design Of Trusses With Geometric Imperfections: Accounting For Global Instability, Mehdi Jalalpour, Takeru Igusa, James K. Guest
Optimal Design Of Trusses With Geometric Imperfections: Accounting For Global Instability, Mehdi Jalalpour, Takeru Igusa, James K. Guest
Civil and Environmental Engineering Faculty Publications
A topology optimization method is proposed for the design of trusses with random geometric imperfections due to fabrication errors. This method is a generalization of a previously developed perturbation approach to topology optimization under geometric uncertainties. The main novelty in the present paper is that the objective function includes the nonlinear effects of potential buckling due to misaligned structural members. Solutions are therefore dependent on the magnitude of applied loads and the direction of resulting internal member forces (whether they are compression or tension). Direct differentiation is used in the sensitivity analysis, and analytical expressions for the associated derivatives are …
Review Of "Handbook For Blast Resistent Design Of Buildings", Norbert J. Delatte
Review Of "Handbook For Blast Resistent Design Of Buildings", Norbert J. Delatte
Civil and Environmental Engineering Faculty Publications
No abstract provided.
Case Methods In Civil Engineering Teaching, Timothy A. Newson, Norbert J. Delatte
Case Methods In Civil Engineering Teaching, Timothy A. Newson, Norbert J. Delatte
Civil and Environmental Engineering Faculty Publications
English: There have been significant changes in undergraduate civil engineering curricula in the last two decades. Key issues for university curriculum committees are selection and transference of appropriate skills and attributes for students to succeed in the industry. Despite significant changes occurring in teaching theories, civil engineering education still relies heavily on deductive instruction. Case-based teaching is one of the most widespread forms of inductive learning and this paper describes the differences between two of the most familiar types: 'case-histories' and 'case-studies'. These methods are presented using the Kansas City Hyatt Regency walkway collapse as an exemplar. The benefits of …
On The Interaction Between Bathymetry And Climate In The System Dynamics And Preferred Levels Of The Great Salt Lake, Ibrahim Nourein Mohammed, David G. Tarboton
On The Interaction Between Bathymetry And Climate In The System Dynamics And Preferred Levels Of The Great Salt Lake, Ibrahim Nourein Mohammed, David G. Tarboton
Civil and Environmental Engineering Faculty Publications
The Great Salt Lake is a terminal lake whose level is determined by the balance between inflows and outflows. We examine the causes for multimodality in the distributions of lake level and hence volume and area that have previously been examined from a system dynamics perspective. We focus on the role of bathymetry in the dynamics of this system and show that some of the modes that are observed and that represent preferred system states are attributable to features of the bathymetry described using the topographic area‐volume relationship. Being a terminal lake, the only “outflow” is evaporation, which depends directly …