... ABSTRACT This paper studies the relationship of the saturated impulse between square plates made of steels with various yield stresses. Material of square plates is assumed to be elastic, perfectly plastic. Finite element (FE) code ABAQUS is employed to simulate the elastoplastic response...

.... formulation condensation procedure plate panel shape function square plate fujikubo rectangular plate longitudinal thrust deflection slenderness ratio freedom idealized structural unit method isum formulation collapse analysis ultimate strength Approaches to the Improvement...

... amplitude mechanism strength imperfection consequence experimental data slenderness ratio assessment steel plate displacement square plate compressive strength boundary condition variation stiffness artificial intelligence unloaded edge compression slender plate initial imperfection...

... for plates straightforwardly, it does not have any physical meaning in itself. Also the strength of actual "plates depend strongly on initial imperfections. modification square plate compression ultimate strength transverse compression strength initial deflection ultimate strength interaction...

...) >-4 '3 or 111»(2)6 (I+tan A h :3 tan¢)tan¢:2 (29) which means a very large deflection E g , for square plates, we have f3 = 10, tan¢ = I 0, Eq (29) becomes ",Ct) > 0 1756A h (30) When A=100, Eq (30) requests 1»17 56h which has been much larger than the maXimum deflection of the square plates (cf Fig 3...

... criterion central deflection integration deformation pattern theoretical model square plate quadrangular plate impulsive load formula deformation equation plastic behaviour sinusoidal deformation pattern rectangular plate deflection cowper-symond formula plastic hinge...