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Questions related from Ather Abbas
The solution of 1D diffusion equation on a half line (semi infinite) can be found with the help of Fourier Cosine Transform. Equation 3 is the attached figure is the solution of 1D diffusion...
03 November 2017 3,340 5 View
I have information about temperature, pressure, normal and shear stresses, viscosity, conductivity, density, heat capacity and adiabatic heating for a particular area of mantle in the form of 2D...
30 August 2017 6,914 2 View
Consider the conceptual model presented in the attached image, of heat conduction in a bar. There is a heat source at left side and heat is observed at point Ho after a distance L from the source....
09 July 2017 7,489 6 View
I am trying to understand PKN and KGD models for hydraulic fracturing. I am wondering why equations for fracture width and length does not include 'breakdown pressure' (pressure at which fracture...
04 May 2017 7,294 5 View
My understanding is that because a rock is composed of variety of minerals, so it does not have fix melting point, rather there is a range below which whole rock is solid and above which whole...
18 October 2016 7,938 3 View
Yes this is a bit broader question but I want to know which processes play their role in movement of magma. If one wants to model magma intrusion in rocks, which processes should one not miss at...
10 October 2016 2,234 2 View
What is the difference in using Laplace equation (say only in 1D) to simulate water flow in a porous media (aquifer) with that of using diffusion equation for same purpose?
23 August 2016 8,768 3 View
Other than Laplace transform and fourier cosine transform method, which other methods are there to solve a PDE say (diffusion equation) which has a boundary condition involving derivative of...
19 February 2016 907 5 View
Let’s consider Uc to be transformed form of h(x,t) by applying Fourier transform Then solution of Eq 1 by integrating factor is as in Eq 2 And by applying on Eq 2 inverse fourier transform &...
15 February 2016 4,853 1 View
In literature some times to account for semi-pervious sediments at bottom of stream, streambed leakance also called retardation coefficient (L) is used which is equal to ratio of conductivity of...
08 February 2016 6,473 4 View
Suppose a stream along an aquifer and waves produced in stream and we want to measure head changes in an aquifer at distance x from stream due to waves produced in stream. I want to know which...
31 December 2015 8,540 7 View
I want to estimate a function for flood wave which means the function first rises suddenly (in relative term) and drops slowly. I mean, it is not a perfect sine wave. It has been solved by...
14 November 2015 6,274 4 View
I am having difficulty in visualising both unit step response function and impulse response function of groundwater heads resulting from flood wave in nearby stream. The functions have been...
01 November 2015 6,508 4 View
I am having difficulty as I don't know in which format should I prepare the input file. STLK1 is just an execution file which aquifer response to head variations in nearby stream. On starting the...
01 November 2015 3,837 1 View
