Structural Dynamics Analysis Method for Semi-rigid Battery Substrate
A kinetic analysis, battery substrate technology, applied in analytical materials, scientific instruments, measuring devices, etc., can solve the problems of heavy calculation workload, network line density, large structure size of semi-rigid battery substrate, etc., to shorten the work cycle, improve the The effect of computational precision
Active Publication Date: 2015-09-02
SHANGHAI AEROSPACE SYST ENG INST +1
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Moreover, the structural size of the semi-rigid battery substrate is large and the network cables are dense. If the model is modeled according to the actual size of the grid, the model will have too many units and nodes, and the calculation workload will be large.
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[0015] The semi-rigid battery substrate uses a glass fiber woven mesh to make a grid panel, which is fixed on a frame wound with carbon fiber reinforced composite materials by applying a certain pre-tightening force through the fixture tooling. The grid panel is a flexible structure. Light weight, great flexibility, with pre-tightening force, with the increase of the pre-tightening force of the grid panel, its stiffness is significantly improved, with obvious nonlinear characteristics. Moreover, the structural size of the semi-rigid battery substrate is large and the network cables are dense. If the model is modeled according to the actual size of the grid, the model will have too many units and nodes, and the calculation workload will be heavy. In order to quickly and accurately obtain the structural dynamic characteristics of the semi-rigid battery substrate, the present invention proposes the following technical proposal: a method for analyzing the structural dynamics of the...
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The invention discloses a structure dynamics analysis method for a semi-rigid battery substrate. The semi-rigid battery substrate comprises a grid panel; the structure dynamics analysis method for the semi-rigid battery substrate comprises the following steps: performing simplified calculation according to an equal-rigidity rule, and acquiring geometrical parameters and material attributes of the simplified grid panel; calculating a temperature load needed for simulating grid surface pretightening force based on the material attributes; establishing a finite element analytical model based on the geometrical parameters, the material attributes and the temperature load, and calculating the inherent characteristics of the semi-rigid battery substrate and response to external excitation based on the finite element analytical model. According to the technical scheme in the invention, a reasonable structure dynamics analysis and calculation model can be established.
Description
technical field [0001] The invention relates to a structural dynamics analysis method in the technical field of semi-rigid battery substrates, in particular to a structural dynamics analysis method for semi-rigid battery substrates. Background technique [0002] The invention of the semi-rigid battery substrate fills the gap in this technical field in my country. In order to ensure that the substrate structure meets the design index requirements, it is necessary to analyze its structural dynamic characteristics. [0003] Compared with the rigid battery substrate, the semi-rigid battery substrate uses a glass fiber woven mesh to make a grid panel, which is fixed on a frame made of carbon fiber reinforced composite materials by applying a certain pre-tightening force through the fixture tooling, in which the grid panel It is a flexible structure with light weight, great flexibility and pre-tightening force. With the increase of the pre-tightening force on the mesh surface of t...
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IPC IPC(8): G01N33/00
Inventor 高剑杨昌锦王治易董毅
Owner SHANGHAI AEROSPACE SYST ENG INST