1) fully implicit numerical scheme
全隐数值格式
1.
A fully implicit numerical scheme for computing incompressible laminar flows;
求解不可压层流的一种全隐数值格式
2) implicit scheme
全隐格式
1.
Based on one example, the influences of the time step or grid step on the accuracy of the calculation results of the air flow distrbution numerical simulation in the implicit scheme was discussed and analyzed to acquire the agreeable calculation results,the author's idea has been presented with the analysis.
以一实例探讨了非恒定气流组织数值模拟全隐格式中的时间步长与网格步长对计算结果精度的影响,分析了原因,提出了有关使计算结果更接近实际要求的见解。
3) numerical scheme
数值格式
1.
A new numerical scheme based on finite volume method is brought forward;and theoretical analysis is made from the aspects of compatibitity,stability and convergence of the numerical scheme.
针对二维对流方程,基于有限体积法基本思想,引入了一种半隐式计算格式,并从数值格式的相容性、稳定性以及收敛性3个方面对其进行了理论分析,通过具体算例对该数值格式进行了分析检验,归纳总结出这种计算格式的特点及适用范围。
2.
Based on the above, a new numerical scheme for the conservative convection equation is developed.
运用待定系数法 ,对Holly Preissmann格式进行了改进 ,补充了流速为负时的Holly Preissmann格式 ,并在此基础上建立了保守型对流方程的数值格式 。
3.
The numerical scheme of the advection term should be designed correctly for the fronts of sharp concentration gradients to prevent excessive numerical diffusion or dispersion when calculating mass transport in the areas of estuary and coast.
用数值模式对河口海岸地区的物质输运进行计算时,平流项的数值格式必须要能正确处理物质浓度锋面,以避免产生过多的数值耗散或频散。
4) implicit numerical integration
隐式数值积分
1.
An implicit numerical integration algorithm is proposed for solving the implicit rate type hypoplastic constitutive equation.
针对亚塑性本构方程率型隐式的特点,推导了求解亚塑性本构方程的隐式数值积分算法,并对该算法做了进一步改进,引入自适应时间步长技术,在保证精度和收敛速度的前提下,通过合理选择时间步长,降低了计算时间,保证了该计算程序的可靠性。
5) Total energy conserving semi implicit fidelity scheme
全能量半隐式保真格式
6) implicit scheme
隐式格式
1.
In this paper,the multigrid method is presented associated with LUSGS implicit scheme to calculating the low speed flow field around the NLR7301 case#1 and the transonic flow field around the DLRF4 wing-body configuration,all results conf.
本文在多块网格、LUSGS隐式格式基础上采用多重网格技术,计算了NLR7301case#1两段翼型的低速绕流及DLRF4跨声速流场,在复杂二维、三维粘性流场求解中获得了满意的加速收敛效果。
2.
An efficient numerical method that contains the new LU type implicit scheme and the modified fourth order high resolution MUSCL TVD scheme is proposed for solving the compressible Navier Stokes equations.
提出了适用于模拟非定常三维粘性流动问题的数值计算体系,包括高速收敛稳定性好的新的LU型隐式格式,捕捉弱间断面和滑移面的高精度、高分辨率的改良型MUSCLTVD格式。
3.
A new implicit scheme based on the LU-SGS scheme in conjunction with diagonalization and Cramer s rule (LUSGS-DC) has been developed for solving the compressibleNavier-Stokes equations.
发展了一种新的LU型隐式格式。
补充资料:满江红 咏全溪清隐
【诗文】:
拣好溪山,容我住、有幽禽调曲。缚数椽、低低茅舍,也胜华屋。镇日柴门无俗客,一渠流水铿金玉。任苔痕、草色带朝烟,侵阶绿。篱边种,陶潜菊。窗前植,王猷竹。乐有余、坦率频忘荣辱。吾爱吾庐真得趣,男婚女嫁情缘足。总明朝、风雨及阴晴,眠初熟。
【注释】:
【出处】:
拣好溪山,容我住、有幽禽调曲。缚数椽、低低茅舍,也胜华屋。镇日柴门无俗客,一渠流水铿金玉。任苔痕、草色带朝烟,侵阶绿。篱边种,陶潜菊。窗前植,王猷竹。乐有余、坦率频忘荣辱。吾爱吾庐真得趣,男婚女嫁情缘足。总明朝、风雨及阴晴,眠初熟。
【注释】:
【出处】:
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