Calculation method for physical value, numerical analysis method, calculation program for physical value, numerical analysis program, calculation device for physical value, and numerical analysis device

A non-transitory computer-readable medium storing a calculation program for physical value for causing a computer to execute a calculation method for physical value, for calculating physical values in a numerical analysis method for numerically analyzing a physical phenomenon, the calculation method for physical value comprising:

• calculating physical values in an analysis domain divided into a plurality of divided domains, wherein the physical values are calculated by using:
• a discretized governing equation that uses only values not requiring coordinates of vertices of the divided domains and connectivity information of the vertices and that is derived on the basis of a weighted residual method;
• and
• a calculation data model in which volumes of the divided domains and characteristic values of boundary surface indicating characteristics of boundary surfaces of adjacent ones of the divided domains are provided as the values not requiring coordinates of vertices of the divided domains and connectivity information of the vertices.

A calculation device for physical value that performs the calculation method for physical value, for calculating physical values in a numerical analysis method for numerically analyzing a physical phenomenon, comprising:

• a calculation unit configured to calculate physical values in an analysis domain divided into a plurality of divided domains;
• and
• a memory configured to store the physical values that are calculated by using a discretized governing equation that uses only values not requiring coordinates of vertices of the divided domains and connectivity information of the vertices and that is derived on the basis of a weighted residual method, wherein
• the calculation unit is configured to calculate the physical values by using a calculation data model in which volumes of the divided domains and characteristic values of boundary surface indicating characteristics of boundary surfaces of adjacent ones of the divided domains are provided as the values not requiring coordinates of vertices of the divided domains and connectivity information of the vertices, and the governing equation.