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I'm working on ansys CFX. Has any of you encountered this problem and is there a solution? Because I can't work on old files that I completed and I can't make new files? this is the error...
22 February 2023 352 3 View
Is there any comprehensive review on types of vertical wind turbines?
21 February 2023 3,134 3 View
Dear ALL, What project do you recommend for CFDer not software engineer to improve coding skills, Is leetcode a good choice? In addition, what strategy do you recommend for reading others...
25 January 2023 7,463 5 View
I am simulating a floater of a semisubmersible wind turbine in Abaqus using the CEL method. However, the model becomes unstable after some time and the Eulerian domain kind of explodes. This...
23 January 2023 6,738 1 View
Hello all, My study deals with the incompressible and time-dependent laminar flow of a highly viscous fluid with electrical conductivity in a channel with slip on both plates. The governing...
20 January 2023 1,721 0 View
Dear All I'm trying to write a UDF to read the conductivity profile (change of soil conductivity with depth-Y coordinate). The conductivity profile contains the K values every 0.5 m for a 300 m...
13 January 2023 2,241 0 View
Hi friends, Many climate projections cover a timespan of the whole century, say from 2005 to 2100. Hence it is possible to compare the projected values with concurrent observed data. Sometimes...
12 January 2023 7,583 4 View
Distilled EtOH
10 January 2023 9,410 5 View
Dear all, I'm validating the Shan-Chen model of single bubble evolution with Rayleigh-Plesset equation, However, I tried my best but cannot get close results with theory Rayleigh-Plesset equation...
04 January 2023 9,437 7 View
Is DNA vaporized when boiled?
22 December 2022 9,942 0 View
I am developing code to simulate a multi-component Shan-Chen-based flow in a channel. My code works perfectly for single-component flows; However, whenever I switch to multi-component flows,...
19 December 2022 2,143 0 View
For a seminar paper I want to investigate the impact of Soft Power. I though about taking a stock company which got support from the state. But I don´t know how to measure soft power as variable....
16 December 2022 2,214 2 View
Hello, I am using CST Studio to simulate an interdigital capacitor and to extract its S-parameters of it. in order to process those measurements and obtain the parasitic elements that it contains....
15 December 2022 4,499 2 View
In MATLAB simulation model of DFIG grid tied system, why after starting the DFIG, the torque produced by the wind turbine DFIG increases and the rotor speed decreases and why it is not coming...
13 December 2022 3,064 3 View
I want to find out the J-A parameters for an hard-magnetic material from the experimentally-obtained magnetic hysteresis curve. I have found some open-source codes and similar tools: by proper...
12 December 2022 4,804 1 View
I have witnessed that higher values of TI lead to a decay in the Ct curves in the moderate range of wind speed (8-13 m/s). For high wind speeds it is seen that the changing TI does not have an...
07 December 2022 9,357 1 View
So imagine modelling a viable design of a fixed-speed wind energy conversion system (WECS) for remotely located geographical areas without grid connection using Simulink. The 3-phase WECS should...
30 November 2022 383 1 View
I'm currently working on my project which is 'Aerodynamic Analysis and design of airfoils for wind turbines. I'd really appreciate if anyone could help me with finding new airfoils.
09 November 2022 8,638 4 View
Hi all, I'm kind of stuck in my validation for Al2O3 water nanofluid. the correlations for Nusselt number from Pak and Choi; Xuan and Li and Maiga seem a bit strange for me to compare my numerical...
06 November 2022 6,068 1 View
I know this is basic question. In Eulerian model the velocities and temperatures are different for continuous and discrete phases. In this problem: For single phase (1% Al2O3 - water...
05 November 2022 4,052 1 View
Pipe dimensions: length=1m; diameter=0.01m Axi-symmetric model under constant wall temperature (350 K) (Inlet temperature = 293 K) Eulerian model Realizable K-epsilon (per phase) coupled solver...
05 November 2022 7,825 0 View
Anyone who is expert in using CVX tool for optimization of objective function related to maximization problem? Specifically SDR based approach in which the constraints are relaxed by using "slack...
19 October 2022 3,934 0 View
I am trying to size a radiator for a car. Is there is a specific software used by automobile engineers for sizing the radiator? Can I use Aspen EDR for compact heat exchangers?
18 October 2022 1,507 2 View
Dear colleagues I wonder why when I compute the number of cold days using reanalysis data am getting higher percentage over areas where we know climatologically have warmer temperatures and lower...
07 October 2022 6,258 3 View