implicit analytical solution

An implicit analytical solution for the systems is derived; also a numerical method is presented based on the analysis of the structure property of the model and the implicit analytical solution.

提出了一类非线性振动系统的隐式解 ,导出了相应的数值计算方法 ,并对该数值方法的收敛性、误差和稳定性进行了研究。

Numerical simulation to three-dimensional turbulent flow in multistage axial compressor blade row is carried out,where high resolution third-order ENN scheme is adopted to catch the shockwave and simulate the turbulent flow correctly,and LU-SGS implicit method is chosen to improve computation rate.

对多级轴流压气机叶栅内三维紊流流场进行数值模拟,采用高精度高分辨率的三阶ENN格式以保证对激波的捕捉和对紊流特征的正确模拟,利用LU-SGS隐式解法提高了计算速度,从而构成了一种既准确又高效的多级跨声速轴流压气机紊流流动数值求解系统。

And the convergence was speeded up by the use of LU\|SGS implicit method.

求解全三维 N-S方程 ,通过高分辨率格式提高跨音速流场计算的准确性 ,利用 LU-SGS隐式解法加快计算收敛速度。

Feedback control method is used to solve implicit difference equation in this paper.

提出了采用反馈控制方法求解隐式差分方程的方法。

The elastic-plastic finite element method and key technologies based on static implicit scheme for the simulation of the forming process of sheet metal were introduced.

介绍了静力隐式弹塑性有限元板料成形软件的基本理论和关键技术。

The process of Multi-Point Forming (MPF) should be simulated by finite element with static implicit scheme.

多点成形过程采用静力隐式格式进行数值模拟是比较合适的。

In this paper, elastic plastic large deformation finite element method based on static implicit scheme for the simulation of the forming process of sheet metal is introduced.

阐述了用于板材成形过程静力隐式数值模拟的弹塑性大变形有限元方法 ,基于给出的方法编制了板材成形过程数值模拟软件 ,并对矩形板的液压胀形进行了有限元分析 ,计算结果与典型的实验结果吻合很好。