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Questions related to Zero
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 5,316 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 443 0 View
In the IRIS dataset (attached), I test with every method like LSVM, QSVM,NARROW NEURAL NETWORK, and WIDE NEURAL NETWORK. For data numbers 71 and 84, the answer is wrong. Could this data be wrong?
09 June 2023 851 5 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 7,271 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 744 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 5,382 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 1,704 0 View
Hi, I am trying to examine the association between exposure and outcome like CVD-specific death while accounting for the competing risk like death due to other causes. Therefore, I am using...
15 April 2023 7,467 0 View
Biomechanics Q If the Moment of the Couple is larger than the Moment of the Force (not Zero), the Center of Rotation is at the ? 1. Root apex 2. Infinity 3. The bracket slot 4. The Center of...
08 April 2023 9,885 0 View
I am designing a PCF to check if it supports LP modes. I have obtained TE, TM, and HE modes, but I am unsure how to obtain lp modes from these modes. Hence, I request you to explain to me how I...
23 March 2023 552 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 8,386 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 4,234 0 View
the scientific article.Previous studies
03 March 2023 4,515 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 726 0 View
Hello everyone. I have a question. Is it sufficient to study the relationship/association between multivariate variables by only perform the Granger-Causality test? I am aware that the GC test is...
05 February 2023 4,993 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 8,917 0 View
Hi All, I am trying to wannierize a wave function for Black Phosporene generated using quantum espresso as stated in...
28 January 2023 6,791 3 View
during our works and results, we showed no nonlinear absorption coefficient for nanoparticles but there is nonlinear refractive index?
16 January 2023 6,866 3 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 6,821 2 View
Why the residual mass of some of the organic compounds become zero during TGA analysis? When the experiment is performed under N2 atmosphere?
26 December 2022 7,672 0 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 805 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 9,688 0 View
I am currently doing a time series analysis using VAR/VEC model with 1 DV and 3 IV to evaluate the association among variables. Reason i choose VAR/VEC is because it more suitable to analyse...
17 December 2022 961 3 View
The topic can be complex, but I am interested in the technique of heat kernel for the regularization of a divergent series at a specific point b=0. I mean, if one already knew a convergent series...
13 December 2022 6,908 2 View