نتایج جستجو برای: orthotropic plate
تعداد نتایج: 75287 فیلتر نتایج به سال:
Different analytical approaches can be used to model the forced response of the beam-stiffened plates or shells that are commonly found in many practical structures from ships to aircraft. A popular method is to smear the mass and stiffness properties of the beam stiffeners to give an orthotropic plate or shell. This is simpler than modelling discrete stiffeners. This paper considers the exampl...
Honeycomb core sandwich panels have found extensive applications particularly in the aerospace and naval industries. In view of the recent interest in alternative, yet strong and lightweight materials, honeycomb cores are manufactured from sisal fiber-reinforced polypropylene (PP) composites and the out-ofplane compressive behaviour of these cores is investigated. The cell wall material is mode...
A constitutive model for the elastic-plastic behavior of plastically compressible orthotropic materials is proposed based on an ellipsoidal yield surface with evolving ellipticity to accommodate non-uniform hardening or softening associated with stressing in different directions. The model incorporates rate-dependence arising from material rate-dependence and micro-inertial effects. The basic i...
A known complication for mechanically loaded bone implants is the instability due to screw loosening, resulting in infection and non-union of fractures. To investigate eventually prevent such degradation, it useful know stress state around screw. Considering only in-plane loadings simplifying mandibular into an orthotropic laminated plate, analysis was reduced a two-dimensional pin-loaded plate...
A closed-form analytical solution procedure is proposed to solve the coupled fluid-structure interaction (FSI) equations that involve first-order Doubly Asymptotic Approximation (DAA1) formulation. An efficient method comprised of nonstandard finite difference (NSFD) scheme applied. First all, are developed analyze response a rigid mass-spring oscillator in an air-backed condition when it subje...
Dynamic Stability of a Circular Pre-Stressed Elastic Orthotropic Plate Subjected to Shock Excitation
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