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Stiffness properties of straight lattice structures filled with polyurethane materials

Liu Jianhua;Zhang Yunfeng;School of Naval Architecture and Ocean Engineering,Jiangsu University of Science and Technology;  
The composites lattice structure gets more and more attention for its excellent mechanical properties.This article proposes a new type of sandwich plate-Straight lattice structure filled with polyurethane material based on previous studies,and uses the finite element software ANSYS to study the static mechanical properties.Stiffness properties are studied in tearms of the height,panel thickness and other aspects of the sandwich,and the structure was compared with physical boards,and ordinary polyurethane sandwich panels.
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