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Found 1 result

  1. Hi everyone, i tried to implement shock absorber in a shock analysis in optistruct. I use tutorial in order to set non linear tranisient analysis. I implement with table1d and pbusht the curve ForceVSdisplacement and applying a force i have checked if the the curves is right. Then i have to checked if my model with this non linear springs has a right answer to established input. In this case the model is loaded with an initial displacement and a gravity. Finally i hate to load model with a curves VelocityVSTime. Now i'm stopped at check problem. My doubt are: the initial dislacement is inserted with IC and TIC in model but in the result there isn't initial dipslacement. Why? The tstep is calculated by solver? Is possible have a fixed timestep? maybe more simple simulate this problem with a explicit solver as Radioss? Thank you for the answeres
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