1: The Porous Structure Option When Defining Porous Zones Once the Porous Structure option is enabled, select the Structure Material Name to be used within the porous structure. So I need to have a surface which I can give a boundary Porous zones and 3D fans in Ansys Fluent are treated as fluid zones. Terms and Conditions Legal Notices Privacy Policy Send Feedback CFD simulation of a Porous Jump in a Perforated Plate by Ansys Fluent software. • Calculate a solution for gas flow through the catalytic converter Mar 17, 2023 · Internal surfaces cannot support surface reaction, as they are not walls. I am wondering how should I set the BC when my porous medium is drawn as a block? The porous jump is not available in the Eulerian model. 37K subscribers Subscribe Aug 7, 2024 · Fluent中的porous jump设置页面如下图所示。 porous jump设置页面 porous jmup边界条件需要输入的参数为：面渗透率（Face Permeability）、多孔介质厚度（Porous Medium Thickness）、压力跳跃系数（Pressure-Jump Coefficient）。 多孔介质的压力损失和流动速度的关系为二次函数： 49. Can Dear colleagues, what is the different between 1) Porous media 2) Porous jump in ANSYS fluent? The project is cubic porous medium inside rectangular duct and there is flow through the duct (carbon A comprehensive overview of Porous Zones, which are used by all modern mainstream CFD codes (ANSYS Fluent, ANSYS CFX, OpenFOAM, Star CCM etc. I have named the volume Nov 5, 2021 · Hi, I have a basic question about how to define a porous jump somewhere inside my geometry. The best approach here is to model a single cell thickness porous zone and apply volumetric reaction. It is a simple cylindrical pipe in 3d. User Inputs for the Porous Jump Model Once the porous jump zone has been identified (in the Boundary Conditions task page), you will set all modeling inputs for the porous jump in the Porous Jump dialog box (Figure 7. Jan 10, 2011 · Hi I did a simulation of flow with porous wall. Due to complexity of the model, there is revese flow through the porous jump. I am also figuring out porous jump model for FLUENT 2D and am a little bit confused of the assigning of boundary condition. 5. 2, BCs & Interfaces, fluent, fluid-dynamics, General, materials, MP - Eulerian MP Flow Nov 26, 2012 · Hello, I'm trying to model a condenser and radiator as porous zones in a fluent simulation. 2026 - ANSYS, Inc. I want the total force from sloshing against/through a couple of porous jump interior edges (2D analysis), which are not "wall zones". A detailed description of these models can be found in the Ansys Fluent User’s Guide. See Section 7. In the Viscous Model dialog box, different near-wall treatments can be selected, depending on the turbulence model. . All rights reserved. Learn how to use porous jump conditions to model a thin membrane with known velocity or pressure-drop characteristics. Sep 20, 2021 · I am using the porous jump boundary condition in my simulation. 7. 7. Is there an option to switch it off similarly to flow warnings and limiters? I guess this may increase the speed of the simulation and the above Oct 31, 2022 · Hello, I am encountering a situation in my fluent flow simulation where I am using a interface as Porous jump. 1. 2. 4. 33. Simulasi Aliran Fluida Melewati Perforated Plate dengan Ansys Fluent (Porous Jump BC) Optimaxx Prima Teknik 4. com 王 王宝云 Dec 26, 2003 · hello, I have a problem in which I want to apply porous jump on a surface, but apply different values of C2 for different portions of the surface. Porous Media Conditions 7. I had try to increase my inlet air velocity / decrease Jul 15, 2025 · Hi all, I'm trying to model air flow through cylindrical filter bags in ANSYS Fluent. How to define a wire screen mesh as a porous jump zone in fluent. According to the user guide of fluent in the porous jump window, we need to the thickness of the Dec 5, 2025 · porous jump设置页面 porous jmup边界条件需要输入的参数为：面渗透率、多孔介质厚度、压力跳跃系数。 多孔介质的压力损失和流动速度的关系为二次函数： 上式中，α为面渗透率，Δm为多孔介质厚度，C2为压力跳跃系数。 ρ、μ分别为流体的密度、粘度。 2 输入数据 Learn how the porous jump condition chooses the direction to apply the pressure drop in a variable flow direction scenario using Ansys Fluent. 6 按照上文方法在Fluent中将散热器对应的计算域设置多孔介质参数，然后计算即可； 03压力阶跃面 1、对于多孔薄板，当流体流过时会存在流阻，但划分网格也会存在困难，此时就可以采用porous jump多孔压力阶跃面来考虑多孔板引起的流阻。 ANSYS FLUENT simulation on flow in a duct with perforated plate (20% porosity) & louver (louvre) modelled using porous jump boundary condition and zero-thickness wall surface, respectively.

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