The results of an example indicate that the gradient model with the B-spline weight function can overcome mesh dependence when the strain-softening phenomenon of concrete material is simulated.

• 计算表明该隐式梯度模型可较好避免有限元在应变软化模拟时的网络依赖性，预测出的荷载-位移响应与实际情况吻合较好。