The load-deflection curve of sandwich beams with spherical pore Al alloy foam core loaded in three-point bending and the four kinds of failure mode were investigated and the failure map of sandwich beams was founded.
根据球形孔泡沫铝合金三明治梁三点弯曲的载荷(P)-位移(δ)曲线研究了四种常见破坏模式并建立了破坏模式图。
taking a heliostat as example, the paper applies thin plate flexure theory and study regularity of load-deflection curve for reflector plate.
建立了直角坐标系有限变形非线性弹性力学的倒易定理并给出了大挠度弯曲薄板的倒易定理。
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