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 Concrete  Expansion and contraction<br />Stresses and strains  Mathematical models<br />Expansion (Heat)</p> (1)
 <p>Beams  Elastic properties<br />Foundations  Elastic properties<br />Vibration  Mathematical models</p> (1)
 Plasticity  Mathematical models<br />Plates (Engineering)<br />Stress concentration<br />Surfaces, Deformation of (1)
 <p>Shells (1)
 <p>Space vehicles  Control systems<br />Artificial satellites<br />Flight control</p> (1)
Articles 1  4 of 4
FullText Articles in Engineering Science and Materials
Dynamic Response Of A Simply Supported Beam To An Accelerating Point Load, Joseph Victor Cusumano
Dynamic Response Of A Simply Supported Beam To An Accelerating Point Load, Joseph Victor Cusumano
Masters Theses
"An analysis based on linear theory is presented for determining the dynamic response of a simply supported beam on an elastic foundation acted upon by a moving time dependent point force with axial forces included. This thesis extends the present theory to include an analysis of a point force accelerating uniformly across the beam. In particular, it is shown that the customary resonance conditions which are prevalent for a point force moving with uniform velocity no longer exist for the case of a point force accelerating uniformly across the beam.
The basic problem and its solution are presented for a ...
Stresses In A Thick Spherical Shell, David Wayne Moore
Stresses In A Thick Spherical Shell, David Wayne Moore
Masters Theses
"This thesis reports a method to evaluate the stresses in a segment of a thick spherical shell. In the numerical examples loads due to thermal expansion as the shell is constrained at the free edge and a dead load acting vertically downward were considered for a shell assumed pinned but free to rotate and for a shell assumed completely fixed at the edge. A concrete shell was specifically studied but the method would also apply to a shell of any homogeneous, isotropic material"Abstract, page i.
Collision And Pursuit Course Terminal Closures For Spacecraft To Satellite Rendezvous, John Anthony Campbell
Collision And Pursuit Course Terminal Closures For Spacecraft To Satellite Rendezvous, John Anthony Campbell
Masters Theses
"Collision and pursuit course closure maneuvers were studied for correcting position and velocity errors in the terminal phase of spacecraft to satellite rendezvous.
Minimum values of the ratio of initial range to velocity necessary to achieve rendezvous were determined for collision closures as a function of the initial line of sight. The time and velocity increment required for rendezvous were computed as a function of initial conditions.
Pursuit closure maneuvers were analyzed and time and velocity increments defined as a function of initial range, closing velocity, line of sight angle and angular velocity.
The velocity increments required were significantly higher ...
Plastic Deformation Of Thin Plates With A Spherical Indenter, Benjamin JenAn Chang
Plastic Deformation Of Thin Plates With A Spherical Indenter, Benjamin JenAn Chang
Masters Theses
"A method of determining the stress distribution in a thin plate deformed with a spherical indenter is presented in this report. The analysis is formulated in cylindrical coordinates and utilizes the basic principles of plasticity (von Mises yield criteria, Luwig stressstrain equation, Hencky Deformation theory, etc.). The problem is solved through the utility of a displacement function that, by virtue of its definition, automatically assures that the condition of volume constancy is satisfied. The boundary conditions are selected on the basis of having average, or integrated, effects corresponding to the physical constraints of the problem. Numerical integration is introduced to ...