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The conservative and dissipative terms of a 3D chaotic system are separated using Helmholtz theorem [F(x) = Fc(x) + Fd(X)]. How to find its Hamiltonian energy function (analytically and...
06 September 2023 1,182 1 View
Hello all, I am a new user of ABAQUS, I am trying to simulate crack propagation using XFEM in a porous media with pore pressure as the load. I could assign the crack under XFEM option. Then when...
02 September 2023 3,542 1 View
Please! see the attached file.
18 August 2023 1,646 7 View
Hello Colleagues and Computational users, I need to install Wannier90-3.1.0. for the parallel calculations (MPI) using gfortran (make.inc.gfort) libraries. So, I could install the serial version...
07 August 2023 5,931 0 View
As I know, there are 3 reference energy to find or compare band level when we need to band alignment data 1. fermi energy set to zero 2. Vacuum energy (from slab calculation) set to zero 3. Align...
04 August 2023 2,114 0 View
Good day to everyone, I have constructed scaffolding. For this purpose, I attempted to perform a compression simulation based on experimental compression data, as we are required to input certain...
31 July 2023 1,933 4 View
I am going to plot an overfitting- corrected calibration curve(using the cross-validation method) for a regression model with Poisson family (link function=log) in R. I know that this can be done...
25 July 2023 4,232 4 View
Dear colleagues I'm modeling bone healing around dental implants using Abaqus subroutines (UMAT / USDFLD). I wonder: 1. How SDVs of current and previous increment can be accessed in the current...
27 June 2023 5,164 2 View
By a 3D devil's staircase I mean the plot of the rotation number (or any invariant property distinguishing states of the system) as a function of the ratios w2:w1 and w3:w1, where w1, w2 and w3...
27 June 2023 304 0 View
There is no such tutorial about biomagnetic fluid flow. how can i develop a udf for both MHD and FHD in fluid flow.
02 June 2023 7,148 0 View
I want to simulate the phase change of an PCM. The system is composed of two concentric hollow cylinders whose annular space is filled with phase change material. Hot smoke passes inside the small...
23 April 2023 591 3 View
Suppose there are 4 photocatalysts (name S1, S2, S3, S4) and their degradation curve is plotted. Photodegradation curves follow S1
16 April 2023 5,251 2 View
% 参数设置 L = 100;% 土柱长度，单位：cm W = 50;% 土柱宽度，单位：cm t_end = 360024365;% 模拟时间，单位：s dt = 36002430;% 时间步长，单位：s dz = 1;% 空间步长，单位：cm z = 0:dz:L;% 空间网格 m = length(z);% 空间网格数 theta_f = zeros(m,1);%...
15 April 2023 1,580 0 View
For comparing band shift after doping, I have seen almost paper compare band with fermi level set to zero. But it is seemed strange that comparing band with fermi level set to zero. Because fermi...
17 March 2023 8,266 1 View
The "Displacement at failure" parameter in ABAQUS, Johnson-Cook Damage evolution criterion is interms of strain or a displacement? i am struggling with it as if its a value with unit of...
10 March 2023 4,090 0 View
the scientific article.Previous studies
03 March 2023 4,362 6 View
I tried to simulate a Solar Chimney Power Plant (SCPP). I have two exemples , one with laminar flow and the other with turbulent flow, but they both work with Comsol 4.2. However, when I try to...
22 February 2023 586 0 View
Hello, I'm hoping that someone can provide me with an SnFe2O4 .CIF file as I can't seem to find in COD nor in the American Mineralogist database. Much appreciated
01 February 2023 8,769 0 View
If anyone knows of a conference on mathematics education to be held in Europe from April 2023 to March 2024, especially on mathematics education for elementary and junior high school students,...
06 January 2023 6,704 2 View
Hi I have a question, if possible, please answer 1- In the answer that aspen Plus gives for exergy, is it only physical exergy, i.e. enthalpy and entropy, or does it include work and heat as...
24 December 2022 672 0 View
Hi I am trying to solve a equation using pde module of comsol, but my equation contains a fractional derivative, but in comsol i am unable to find it. Pls help
20 December 2022 9,572 0 View
I think it would be a function of the propeller's angular velocity and its area. THANKS AND REGARDS
12 December 2022 7,646 4 View
Which are the implications in mathematics if the Irrationality Measure bound of "Pi" is proved to be Less than or equal to 2.5? How can be understood the number pi within this context? Thanks, Carlos
22 November 2022 662 1 View
Hi, We plan to monitor stroke patients' activity using the Philips Actiwatch 2 Activity monitor. Would it be better to fit the monitor on patients' dominant (unaffected) or non-dominant (affected)...
10 November 2022 3,279 2 View