The elastic constants C_ 11,C_ 12,C_ 44 of Fe-Ga magnetostrictive material are calculated to be 207 GPa,166 GPa and 108 GPa,respectively.

• 利用本方法；计算了新型Fe_Ga磁致伸缩材料的弹性系数C11；C12；C44分别为207GPa；166GPa及108GPa.