C++语言编写的用于相场计算的用于合金凝固的源程序 ，属于国外开源软件代码-fortran language source code for the phase-field calculations for alloy solidification, code complete

各种计算物理模型的案例及代码C/C++ and Fortran 90/95 -Various cases of Computational Physics model and code C/C++ and Fortran 90/95

c This a MATLAB and FORTRAN based program that computes the: c c I. Maximum directivity (dimensionless and in dB) c II. Radiation resistance (Rr) c III. Input resistance (Rin) c IV. Reactance relative to current maximum (Xm) c V. Inp