How do we correctly setup the solar ray tracing for a Photo Voltaic PV panel simulation in ANSYS FLUENT?

Hello, I have a simple model (PV cell+ air channel) and I do not know how to let the sun rays hit the PV surface and then transfer the heat to the air..What I see is the sun rays hit the air...

08 September 2019 475 2 View

What are the equations of the boundary layer of a flat plate that TDMA method is based on?

Hello, I need the equations that show the coefficient of the matrix that solves the velocity contours of the boundary layer over a flat plate. I have the explicit discretization equations but I...

05 June 2019 7,941 4 View

How to define a heat flux and convection coefficient at the same time on a wall using user defined function in FLUENT?

Hell, how can we write a UDF to include a heat flux value + convection coefficient for a wall in Fluent because we cannot define two named selections for 1 wall ? Danke!

05 June 2019 7,041 12 View

How can we define a symmetry wall boundary condition in Fluent?

Hello, I want to simulate the half of the domain and define a symmetry wall because I do not want to consider it as the edge wall, I want to consider it the wall at the half of the domain..How ca...

04 May 2019 5,819 3 View

How to use Chemkin to model the model studied in the attached paper?

Hello, I want to know how to use ANSYS Chemkin to model the attached model in the attached paper. the videos on internet are so simple. Thanks

04 May 2019 3,934 2 View

Can we cople between ANSYS FLUENT and Simplorer ASAP?

Hello, we have done a simulation using ANSYS FLUENT, can we couple it with ANSYS simplorer? And if yes, how and what are the documents I can study? Danke!

03 April 2019 2,674 6 View

How can we define a heat flux boundary condition + convection for one wall in ANSYS FLUENT?

Hello, I have a wall which is affected by a heat flux and it is cooled by convection..How can we do this in FLUENT? Thanks

02 March 2019 5,946 4 View

What are the equations used to simulate a steady state thermal analysis using FEA ANSYS thermal?

Hello, we wanna write a thesis and we need the equations used for simulating the temperature distribution over a PV panel.. Where can we get these equations that ANSYS uses ? Thanks

31 December 2018 5,790 5 View

How can we save calculations to a text file from a Matlab CFD code during running the code like ANSYS FLUENT?

Hello, we have a CFD code written in MATLAB and we wanna save the calculations at a specific node to a text file like ANSYS FLUENT..Any suggestions please? We will be extremely grateful! Thank you!

31 December 2018 816 3 View

How to save data in a file from MATLAB GUI?

Hello, we have a MATLAB GUI code and it produces a graph, we need to save the data of the graph in a txt file, how can we do it? Thanks

09 October 2018 6,552 4 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View