Piezoelectric composite material stress analysis method based on force-electricity coupling effect
The invention belongs to the field of helicopter rotor structure design, and relates to a piezoelectric composite material stress analysis method based on a force-electricity coupling effect. According to the method, the finite element calculation formula capable of calculating the interlayer shear...
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| creator | TANG XINGZHONG HU BINGRUI WU ZHEN KIM KIRIN XIAO YUSHAN FU YU |
| description | The invention belongs to the field of helicopter rotor structure design, and relates to a piezoelectric composite material stress analysis method based on a force-electricity coupling effect. According to the method, the finite element calculation formula capable of calculating the interlayer shear stress is deduced based on the two-dimensional beam unit through the influence of the electric field on the piezoelectric layer-containing composite material, and the interlayer shear deformation of the piezoelectric layer-containing composite material laminate under the force-electricity coupling effect can be accurately described; the problem of piezoelectric composite material interlayer stress analysis in intelligent rotor structure strength design is solved. According to the piezoelectric composite material stress analysis method based on the mechanical-electric coupling effect overall-local high-order theory, the calculation amount of a traditional structure finite element analysis method can be greatly reduc |
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| title | Piezoelectric composite material stress analysis method based on force-electricity coupling effect |
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