Sparse equation set solving method and system in digital twin potential calculation process

The invention discloses a method and a system for solving a sparse equation set in a potential calculation process of a digital twinborn body. The method comprises the following steps of: 1, acquiring the sparse equation set obtained in the potential calculation process of the digital twinborn body by adopting a finite element method; 2, performing data compression processing on a coefficient matrix K in the sparse equation set; 3, based on a conjugate gradient method and a thread block acceleration method, the coefficient matrix K obtained in the step 2 is adopted to solve the sparse equation set, a potential calculation result is obtained, and solving of the sparse equation set in the potential calculation process of the digital twin is achieved. According to the method, the memory occupied by sparse matrix storage can be greatly reduced, and the solution of a large linear sparse equation set in the process of calculating the potential of any electrical equipment through the digital twin finite element meth