Metacomp CFD++ 11.1

CFD++是Metacomp Technologies 公司的流体力学模拟软件。MetacompTechnologies 公司成立于1994 年12 月，总部位于美国的洛杉矶，拥有庞大的技术研发实力。

CFD++可以有效的解决流体力学问题中的可压流（任何马赫数）和不可压流，包括单组分和多组分流动、化学反应流动、多相流、稳流和非稳流、旋转机械、热传导、多孔介质等等。一阶、二阶和三阶的湍流方程，结合经典的壁面方程，可以精确的捕捉壁面附近的流体压缩参数、压力梯度、热传导等各种湍流特性。单方程的大涡模拟（LES）模型和混和的大涡模拟（LES）模型/雷诺平均（RANS）模型同样可用。后者极大的减少了传统大涡模拟（LES）的工作量。

先进的算法 CFD++提供的Total Variation Diminishing(TVD)格式可以避免在计算过程中的假发散。不同的Riemann求解器保证计算的准确性。先进的收敛加速技术包括独特的预处理、松弛和多重网格等运算法则。

CFD++的LES-RANS方法中和 由于传统的大涡模拟需要的计算量大，并且在靠近壁面的地方求解不稳定，CFD++中采用了一种中和的办法。即根据当地的网格密度，计算方法在大涡模拟和传统的雷诺应力模型之间自动转换。下面的方块绕流就是利用这样的中和算法的一个算例。

网格方面 CFD++可以轻松的处理复杂的几何模型，能够计算结构、非结构和多块网格。CFD++同样可以处理复杂的重叠网格并修补坏网格。网格类型包括三维的六面体、四面体、棱锥、棱柱，二维的三角形、四边形和一维的线性网格. sunsource(特殊组-翻译)

 Metacomp CFD++ 11.1 | 1.4 Gb

Metacomp Technologies, a leading provider of Computational Fluid Dynamics software, present flagship software CFD++, is based on unified grid, unified physics and unified computing methodology in an advanced numerical discretization and solution framework. CFD++ is based on a multi-dimensional TVD polynomial reconstruction with up to fourth order accuracy in time in explicit mode and second order accuracy in time in implicit mode. CFD++ is based on finite-volume framework with fast convergence to steady state and fast computation of unsteady flows, with enhanced speed using dual time stepping. CFD++ application capabilities include the following:

– High speed reacting/non-reacting flows
– Low speed reacting/non-reacting
– Incompressible flows
– Conjugate heat transfer
– Multiphase flows
– Sliding and overset meshes for flow around and within bodies in relative motion
– 6-DOF Applications (Highly accurate 6-DOF module, providing trajectory analysis of bodies in flight. Used in applications such as; unsteady response to control surface actuation, safety of store separation from aircraft. The tightly coupled rigid-body and fluid dynamics produces accurate transient response)

CFD++ can run very small scale to very large-scale problems very effectively, using the appropriate hierarchy of computer hardware platforms and interconnects (from laptops to massively parallel computers) 

About Metacomp

Metacomp Technologies is at the cutting edge of technology in Computational Fluid Dynamics (CFD), Computational Aero-Acoustics, Mesh Generation and Electrostatic Paint Deposition, with its products in widespread global use. Founded in 1994, the key staff members at Metacomp Technologies are pioneers in the CFD field. Activities at Metacomp Technologies include research, software development, dissemination and support, consulting, education and application services.

Name: Metacomp CFD++
Version: (32bit) 11.1 Build 1220
Home: www.metacomptech.com
Interface: english
OS: Windows XP / Vista / Seven
Size: 1.4 Gb

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