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Actually this issue was sorted using following controlcards *CONTACT CONTROLS, AUTOMATIC TOLERANCES, STABILIZE *CONTROLS, PARAMETERS = TIME INCREMENTATION , , , , , , 25, , , *CONTROLS, ANALYSIS = DISCONTINUOUS Need to study about above mentioned cards. If any one have idea about those...

@corus - 3rd DOF of applicator released intensionally, so that it will move in that particular location & press the trim below

@rob768- Thanks rob. Yes, you are right idetifing mode shapes & natural frequency will help us to avoid resonance. I want to know the physical meaning of modes.

Thanks for your replies @csk62- mathematically modes means eigenvectors but what is its physical meaning. Imaginary of stiffness & mass distribution in the entire structure is my interpretation of modes.How it will reduce computational costs? @msquared48- If my excitation has same frequency as...

What is meant by DOE(design of experiments)? how can i use DOE concept in MDO using optistruct?

What is mean by modes & its significance in structural analysis? why i need to perform mode based structural analysis?

Hi, Myself Krishna, I am facing a convergence issue in non linear static analysis in abaqus please find detailed description below Analysis objective:- To find maximum displacement & von mises stress on a curved trim surface applied with 22N force over a applicator(flat circular plate) in...