Cradle CFD 2023 | 2.6 Gb
Cradle CFD is a series of practical, state-of-the-art CFD simulation and visualization software. Embracing remarkable processing speed, refined technology, and proven practicality verified by high user satisfaction, it has been in use for diverse applications, such as Automotive, Aerospace, Electronics, Building and Architecture, Civil Engineering, Fans, Machinery, and Marine developments, to solve thermal and fluid problems. Incorporating the reinforced Multiphysics co-simulation and chained simulation capability to achieve couplings with Structural, Acoustic, Electromagnetic, Mechanical, One-Dimensional, Optimization, Thermal Environment, 3D CAD and other relative analysis tools, as well as award-winning postprocessing feature to generate visually powerful simulation graphics, Cradle CFD enables any level users to process advanced simulations. Highlights of New Features Spatial Hexahedral and Voxel Fitting Meshing Enhancements
Spatial Hexahederal meshes in scFLOW consist of poly- and hexahedral elements that reduce meshing time & the number of element faces, hence; providing runtime speed-up without reduced accuracy. The polyhedral elements in close vicinity of an object's wall excellently reproduce the shape. Then, volume away from the wall, fluid or solid, is filled with hexahedral elements of different sizes. The hexahedral mesh of the mesh sizing octree reduces the number of elements.
Voxel Fitting meshes is a new meshing approach that builds a voxel dominant mesh directly from ether CAD geometry or facetted data, and neither needs to be water-tight. Further, the meshing algorithm inserts prism-layer according to the standard scFlow workflow after the volume mesh generation of all fluids and solids. The result is a drastic reduction in meshing time for the user with little or no accuracy degradation. For the realistic NASA Common Research Model (CRM), 40% shorter meshing time and a 2x calculation speed-up than a full-polyhedral mesh were observed.
Discrete Element Method Cloth Model
The Cloth model introduction in Cradle CFD software enables simulations to include sheet bodies of textile materials with large deformation utilizing the Discrete Element Method (DEM) algorithm. Forces acting on cloth are calculated as restoring force against stretching, compression, and bending, enabling accurate wrinkling behavior of textile materials. Fluttering of cloth can also be expressed by taking resistance force from the fluid into account.
Discrete Element Method Cohesion / Ad/desorption / Dissolution
New DEM features expand usage in food and chemical processing and pharmaceutical in scFLOW.
• Absorption and desorption of moisture or chemical species by DEM particle
• Dissolution from DEM particles to a solvent such as dissolving a powder medicine in water
• DEM particle cohesion such as wet particles and fine dry powder
These capabilities enable new simulations with and without fluid interaction, such as the pharmaceutical tablet manufacturing process shown below.
Enhancement of density-based solver HPC performance
The enhanced density-based solver in scFLOW offers substantial speeded-up without any accuracy loss. Moreover, combined with the new Spatial hexahedral mesh and Voxel fitting mesh, the number of faces is reduced, even with a similar element number that significantly reduces the solver runtimes.
For the NASA CRM transonic aircraft, the density-based solver's enhancements showed a speed-up of 1.25x, and when combined with a Voxel fitting mesh with the same Octree, a total speed-up of 3x.
This is in addition to the density-based solver's speed-up of 20~25% for scFLOW v2021 compared to v2020 showcased by the NASA CRM model above.
Further, for the classic tandem sphere example, the standard pressure- and density-based solver's HPC performance is easily compared. The density-based solver clearly shows an increasing speed-up as the core count is increased and combined with the Spatial Hexahedral Mesh, keeping the Octree sizing constant the volume mesh, it offers a 3.2x speed-up this case.
IPC-2581 support
The IPC-2581 file format support in scSTREAM enables importing PCB detailed design data from a single file. IPC-2581 is an open and global file format that extends well beyond CAE, which allows a standardized data transfer between CAE, Manufacturing, Design, etc. The file format stores all relevant information in a single file for accurate, detailed thermal analysis of a PCB, such as Board shape, components, wiring, and thermal via.
Improvement of Cut Cell
The Cut Cell capabilities in scSTREAM received enhancements in the v2021 release to support multi-face elements, multiblock and thermal radiation. Furthermore, Cut Cell with multiple elements in a single element enables decreasing the number of elements to reproduce the layered thin parts or casing, which reduces computational cost drastically. Moreover, Using Multiblock also contributes to decreasing computational cost. Supporting thermal radiation promotes the utilization in the field of thermal design.
Thermoregulation model JOS
Software Cradle's unique thermoregulation model (Joint System Thermoregulation Model; JOS), which is now available in scSTREAM, provides detailed information vital for a human's thermal comfort perception (such as skin temperature, skin wettedness by perspiration, thermal sensation, and so forth) in an environment such as a vehicle, a room of a building, etc. The heat and moisture released from human bodies are also evaluated. All of these values are used to calculate temperature and humidity more accurately in the thermo-fluid analysis.
Cloth model display function for textiles
Together with the introduction of the DEM Cloth Model, scPOST introduces the visualization of such a model that includes the following.
Supported visualization techniques in scPOST:
• Texture mapping using imaged files
• Mapping variables (Pressure, etc.) over the cloth
• Water expression and gloss processing as general settings, which enables wrinkling visualization
• Displaying development view of each area
FPH loading speed-up
By internal software optimization in scPOST result files, fph-files, read receive a 1.5x speed-up. The speed-up was achieved by parallel processing on a per-node instead of a per-element basis.
Cradle CFD is a series of practical, state-of-the-art CFD simulation and visualization software. Embracing remarkable processing speed, refined technology, and proven practicality verified by high user satisfaction, it has been in use for diverse applications, such as Automotive, Aerospace, Electronics, Building and Architecture, Civil Engineering, Fans, Machinery, and Marine developments, to solve thermal and fluid problems. Incorporating the reinforced Multiphysics co-simulation and chained simulation capability to achieve couplings with Structural, Acoustic, Electromagnetic, Mechanical, One-Dimensional, Optimization, Thermal Environment, 3D CAD and other relative analysis tools, as well as award-winning postprocessing feature to generate visually powerful simulation graphics, Cradle CFD enables any level users to process advanced simulations. MSC Software Cradle Computational Fluid Dynamics (CFD) Solutions Software Cradle, part of Hexagon’s Manufacturing Intelligence division, provides highly reliable, multiphysics-focused computational fluid dynamics (CFD), thermal dynamics software and integrated simulation tools that enhance customers’ product quality and creativity. Hexagon’s Manufacturing Intelligence division provides solutions that utilise data from design and engineering, production and metrology to make manufacturing smarter. Product: Cradle CFDVersion: 2023Supported Architectures: x64Website Home Page : www.cradle-cfd.comLanguage: englishSystem Requirements: PC **Size: 2.6 Gb * release info: scFLOW
scSTREAM & Heat Designer
SC/Tetra
scPOST
CADthru
** System Requirements: System Requirements
Cradle product supports following OS, hardware, and other requirements.
Operating Systems Windows 8.1, 10 (Verified by Version 1909) Windows Server 2012, 2012 R2, 2016
Memory 8 GB or more depending on the number of mesh elements
HDD 10 GB free disk space for the product installation
Graphics Graphics card, which supports OpenGL for Preprocessor and Postprocessor
User Privilege Administrator privilege is required for installation.
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