Composite material multi-scale mechanical property characterization method based on virtual test

The invention discloses a composite material multi-scale mechanical property characterization method based on a virtual test. The method comprises the following steps: carrying out reverse engineering deduction on composite material fiber and matrix properties based on physical test data of an ASTM standard, and carrying out calibration verification; based on the composite material fibers and the matrix performance, the performance of a composite material single-layer board and the performance of a laminated board with laying layer information are obtained; based on the influence of process manufacturing parameters on the performance of the composite material and a probability statistics theory, generating a simulation virtual sample by introducing uncertainty; multi-scale progressive failure analysis is carried out through a finite element method based on the simulation virtual sample, and the limit load and strength of failure damage are obtained; and combining the physical test data and the simulation virt