Pulsed Power

Physics and Testing |

• Weapons Effects
• Systems Engineering
• Large Scale Modeling
• Structural Response Analysis
• Explosive Systems
• Ultra Fast Closure Valve Systems
• Shock Physics Analysis
• Sensor Development
• Specialty Instrumentation
  

Structural Response Analysis

Structural Response Analysis and Testing

Ktech’s modeling and test capabilites allow the definition of whole body structural responses that result from impulsive and thermo-mechanical loads.

Break up of an impulsively loaded ring as modeled by DYNA

Phenomena	Component Response	Computer Code	Description of Analysis Method
Whole Body Response (Bending) (1 ms to 1 s)	Large Deformation Yielding Bucking Rupture	DYNA 2D-3D Nike 2D-3D ALE3D CTH	Finite element, large deformation explicit Finite element, large deformation quasi-static implicit 3D Finite difference, arbitrary Langrange/Eulerian 2D/3D Finite difference

Radiation induced thermo-mechanical response of strap as modeled by CTH

Stress analysis of explosive containment vessel as modeled by ALE3D

Initial condition Stress distribution