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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Cryostat with support structure for test specimen allows flexure fatigue testing of honeycomb composite sandwich structures at cryogenic temperatures. The cryostat consists of a cryogen container enclosing two pairs of yokes which support two rotating end clamps.
Numerical analysis of flexural vibrations of prestressed toroidal shell
Techniques for flexural rigidity measurements of thin films and laminates
Flexural vibration of uniform shafts treated by impedance techniques and traveling-wave concepts
Test for stiffness of fabrics used to measure flexural stiffness of thin plastic films and metal-plastic laminates for spacecraft application
Nonlinear flexural vibrations of thin circular rings analyzed, using Galerkin procedure on motion equations
Nonlinear flexural vibration analysis using Galerkin method in thin-walled circular cylinders
Numerical integration used for investigating flexural wave propagation in circular plate due to impulsive loads
Boundary and continuity conditions for cylindrical shell under nonlinear flexural vibrations, discussing modal approximations for equations of motion
Interaction of crippling and torsional-flexural instability for centrally loaded columns
Iterative weighted least squares method for reconstructing time history of coupled rotation and flexural oscillations of Radio Astronomy Explorer satellite
Modified die set improves accuracy in load application, minimizes problems of parallelism, and eliminates testing errors normally encountered during flexure tests. Test results are given for a comparison test of the old and new fixtures.
Vacuum jacketed components on launch umbilical tower service arms at Launch Complex 39 - hose flexure lines
Active control of flexure degrees of freedom for solving aeroelasticity problems of space shuttle vehicles
Optimal iterative weighted least squares estimation of rotation-coupled flexural oscillations of boom stabilized satellites in earth orbits
Structure of flexural members, analyzing torsional and lateral stability by finite element method and matrix formulation
Cryostat for flexure fatigue testing of composite materials
Flexure block fabricated from single piece of material minimizes effect of temperature changes and prevents overstressing of the flexing element.