Construction and solving method of elastic and viscous plastic material fractal constitutive model
A technology for plastic materials and constitutive models, which is applied in the field of material mechanics and can solve problems such as inability to solve differential equations, inconsistency of actual structures, and difficulty in solving equations.
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Embodiment 1
[0040] Such as figure 1 As shown, the embodiment of the present invention provides a method for constructing a fractal constitutive model of an elasto-viscoplastic material, including:
[0041] S101, build the basic mechanical element modules describing the elasticity, viscosity and plasticity of materials respectively;
[0042] S102, combining and connecting the basic mechanical element modules to obtain a primitive module;
[0043] S103, on the basis of the primitive module, use the primitive module to iterate the basic mechanical element module to obtain a fractal element constitutive model; and The parameters are preset multiples of the parameters of each basic mechanical element module in the primitive module; starting from the second iteration, the parameters of each basic mechanical element module in the newly added part of the next iteration are the basic mechanical element modules in the newly added part of the previous iteration. Preset multiplier for the parameter...
Embodiment 2
[0079] An embodiment of the present invention provides a method for solving a fractal constitutive model of an elasto-viscoplastic material, and the fractal constitutive model of an elasto-viscoplastic material is constructed according to the method described in Embodiment 1.
[0080] For the construction method of the fractal constitutive model of the elastoviscoplastic material, please refer to the description in Embodiment 1, and details are not repeated here.
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