Simulation program for moving boundary problems and free surface problems.
◆Moving Boundary Problem: It is possible to move multiple objects independently and arbitrarily. The analysis of moving boundary problems, such as the movement of complex objects, opening and closing doors, and rotating machinery, which was essentially impossible with non-structural grids, can now be easily performed. It is also possible to feedback the fluid forces acting on the objects into their motion. ● Changes in degrees of freedom such as axial movement and rotation around each coordinate axis can be achieved through simple motion definitions. ● Analysis is possible not only for solid structures with volume but also for thin-walled (shell) structures without thickness. ● Various conditions can be assigned to moving objects, such as heat transfer and mass transfer boundaries, as well as free surface flows. ● The situation of time-varying flow fields can be animated along with the movement of the moving objects for detailed examination. ◆ e-flowDX Tsunami Load Analysis Version In response to the unprecedented damage caused by the Great East Japan Earthquake and the resulting tsunami, the need for simulations that were not included in previous settings has arisen. Specifically, the evaluation of tsunami loads with wave heights of 10 to 20 meters and the assessment of tsunami loads on groups of buildings are now considered essential and urgent for the design of facilities built along the coast, not limited to evacuation buildings, as well as for urban planning.
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basic information
A three-dimensional thermal fluid analysis program with an excellent man-machine interface and a variety of functions, featuring a structural grid system. This unique simulation code enables analyses that cannot be performed with unstructured grids, and it is a thermal fluid analysis software that will continue to evolve in the future. ● Free shape representation using the SuperCartesian method / The SuperCartesian method allows for the definition of arbitrary shapes within an orthogonal grid, providing a highly accurate representation that overturns conventional wisdom about structured grids. It allows for flexible shape definition and control of grid density, enabling extremely fast fully automated grid generation through data import from 3D CAD. ● Radiation analysis / With our proprietary TP method, extremely fast and high-precision calculations are possible for radiation problems that were previously computationally intensive and infeasible. The combination with SuperCartesian functionality and fluid problems is also flexible. ● Coupled analysis with heat and diffusion / Coupled analysis with thermally and industrially significant heat conduction and diffusion problems is possible. Along with the display of ventilation efficiency indicators (SVE3-6), which are important for evaluating air quality, detailed assessments of spatial conditions can be made. ● Free surface analysis / The VOF method allows for the analysis of free surface flows such as waves and two-phase flows. The combination with SuperCartesian functionality, moving boundary problems, and DNS enables analyses that were previously unattainable.
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Delivery Time
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Applications/Examples of results
- Discretization: Control Volume Method - Coordinate System: Orthogonal Grid - Calculation Acceleration: Multi-stage Nesting Explicit Method - Calculation Targets: Velocity, Temperature, Concentration, Humidity, etc. - Turbulence Treatment: Standard k-ε Model, LES, DNS, Zero Equation Model - 3D Graphic Library: DirectX9 GIS (Geographic Information System) Data Import, Automatic Solar Radiation Calculation, Radiation and Emission Calculation Functions (Separate Module), Result Data Excel Output, Calculation Steering, Schedule Calculation, Heat Conduction Analysis, Advection-Diffusion Calculation, Condensation Simulation, Control Simulation (PID, On/Off), Power Law Settings (Wind Environment), Unsteady Condition Input, Fan Model (P-Q Curve Compatible), Physical Property Data Function Input, Animation Data Output, Component Functionality (Planting, Greening, Blowing/Suction, etc.), Visualization [Cross-Section Scalar Distribution, Cross-Section Velocity Vectors, Cross-Section Contours, Surface Scalar Distribution, Volume Rendering, Particle Trajectories, Thermal Sensation Index (PMV, SET*), Ventilation Efficiency Index (SVE3, SVE6, etc.)], etc. Support for Diagonal and Complex Shapes (SuperCartesian Method), Free Surface Problem Analysis (VOF Method), Moving Object (CAD Data Compatible) Problem Analysis.
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Company information
In environmental simulation, we are engaged in the independent development and sale of a three-dimensional fluid analysis program, as well as contract analysis services using this software. For over a decade, we have been involved in thermal fluid analysis in fields such as architecture, civil engineering, machinery, and electronics, handling numerous analyses and accumulating a wealth of know-how and knowledge. Our diverse analysis and visualization functions, honed through practical experience, have received high praise as CFD software from many companies and research institutions. ● Import function for BIM-compatible CAD data such as Revit and DXF ● Import function for geographic information system (GIS) data ● SuperCartesian function that freely represents diagonal boundaries and complex curved surfaces ● High-speed, high-precision radiation calculations and high-precision turbulence analysis using DNS ● Moving boundary problem analysis function that accommodates the movement of multiple objects in space ● User-friendly interface and easy-to-understand animation features Of course, we also provide software support and accept contract analyses. Focusing on air conditioning ventilation and wind environment analysis, we offer high cost-performance solutions for a wide range of problems, from simple and small-scale issues to complex and large-scale analyses. We look forward to your visit, along with our extensive analysis case studies.