Bone structure prediction method suitable for periodical dynamic loads
A prediction method and technology of bone structure, applied in special data processing applications, instruments, electrical digital data processing, etc., to achieve theoretically reasonable results
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[0037] This embodiment provides a bone structure prediction method suitable for periodic dynamic loads, which specifically includes the following steps:
[0038] Step 1. Select a 2mm×2mm square bone slice with a thickness of 0.1mm as the initial topology range for predicting the bone structure. The bottom end of the bone slice is restrained by a fixed hinge and one end is restrained by a living hinge. One day is used as the load spectrum period to determine the load size The number of levels and the number of cycles of each level of load, the square bone fragments are loaded on four sides, and the square bone fragments are divided into 40×40 four-node quadrilateral elements. figure 1 ;
[0039] Step 2: Define the initial apparent density of the bone structure as 0.8g / cm 3 ,Calculate the elastic modulus according to formula 1, take Poisson's ratio as 0.3, and define the material parameters of each element;
[0040] Step 3: Finite element analysis and solution;
[0041] Step 4: Extract...
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