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Questions related to Modeling
The difference between Fischer's least significant difference (LSD) and Tukey's honestly significant difference (HSD) is that the former is more sensitive to small differences as it is based on a...
05 January 2022 616 3 View
I run a model on an aquifer with 3 layers. the contaminant is leaching on the upper layer. At the point of entry, the contaminant concentration is constant at 0.1 mg/m³. I am having a hard time...
05 January 2022 6,182 2 View
Since we know that the Lyapunov exponent is the exponential measure of the separation between infinitesimally close phase-space trajectories. One positive exponent specifies the presence of chaos...
04 January 2022 4,822 4 View
I need to perform a nonlinear Time History analysis on 7 ground motions. How do I apply the scale factor so that these ground motions are scaled to PGA like 0.1g, 0.2g. I am using PEER ground...
03 January 2022 832 4 View
I uploaded an paper image. They have checked the herd behavior based on market cap.so they made the Quintile portfolio. But they restructure it every year. If i make portfolio every year then I...
03 January 2022 5,867 5 View
I am trying to calculate KDE home ranges for 50 polar bears for a research project. The bears were collared with Argos GPS collars, and each bear has around 200 locations (one location/day). I...
29 December 2021 5,115 2 View
I have been using the 2D QSAR modelling by QSARINS software. I cannot find the final equation of the developed QSAR model. Kindly guide me. Thanking you in anticipation.
27 December 2021 8,743 0 View
I am working on a grid-connected wind turbine based on a PMSG, the referenced active power is adjusted to be 80% of the maximum available power to have a power reserve for the frequency support....
22 December 2021 9,300 2 View
performing the experimental method to identify damage detection in cracked cantilever beam using function generator as input device to send frequency signal to this beam through PZT patch and...
22 December 2021 586 0 View
I am working on a DC-DC converter for a DC microgrid. In MATLAB simulation for reducing the ripple content, 48 Volt DC bus gets stable with a very large capacitor ranging from 35 F to 40 Farad....
18 December 2021 2,008 4 View
Good day! I am new using ANSYS but I am doing a research on the progressive collapse of tunnel caused by water and sand sand leakage. Can I get any help on how to go about with the geometry...
16 December 2021 9,746 0 View
If a photovoltaic power generation system is to be added to the microgrid. The DG will inject active power of 150KW and reactive power of 30KVA into the grid in normal operating conditions. The...
13 December 2021 1,140 3 View
I want to do logistic regression analysis in R studio with glm function. I have categorical independent values as lithology, land use, aspect. I would like to be sure that does r automatically...
12 December 2021 1,857 5 View
Dear Researchers, Can somebody describe the Rietveld Analysis technique using the XPert HighScore Plus Software? Thank You.
11 December 2021 4,196 7 View
Hello all, please I need a third or higher order system in the automobile for controls modelling. Can be linear or non-linear. Thanks
09 December 2021 9,328 2 View
Is there any way, we could use DEM data and rainfall data to find out the inundation area?
02 December 2021 1,531 4 View
Hi all, In time series analysis, when we check the normality assumption, did we should make stationary the time series or not? and if was not necessary, such a thing can violate the iid assumption...
02 December 2021 4,521 5 View
Hi! I have a dataset on mites containing information about their numbers at observation sites in the reserve. I'd like to use this quantitative data in MaxEnt modeling. How can I do this? What is...
01 December 2021 1,851 0 View
I have done uniaxial tensile tests on a machine with and without using an extensometer. And I found that it used different methods for the determination of Young's modulus for different cases. The...
01 December 2021 1,747 7 View
I need to use this function to reproduce my predecessor's work. I'm new to DAMASK and imageDataDeformed -help is not really helping:( Also documentations on damask2 website are broken. (I'm using...
01 December 2021 7,744 4 View
I'm attempting to calculate the I and D niche overlap values for a couple predictions from MaxEnt. Do I need to transform them into binary maps with a threshold first or can these values be...
29 November 2021 4,538 3 View
how to calculate the flood frequency of an ungauged station using the diacharge of the known gauged station ??
27 November 2021 5,907 6 View
What kind of nonlinear strategies can be utilized as the best controller in the condition that there is no information about the model of the system? Consider that the model of the nonlinear...
27 November 2021 1,360 8 View
Dear researcher, what is the best, easy and reliable way to test the soluble sugar (i.e., glucose, fructose, sucrose and starch) content and their percentage in plant material? Thank you kind...
18 November 2021 5,445 4 View