Threads Tagged with boundary Thread / Thread Starter Last Post Replies Views 1. The problem statement, all variables and given/known data Find the volume of an object bounded by x2 + y2 ≤ 1,... Mar4-14 07:48 PM D H 14 151 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Consider the Laplace’s equation, ∆u(r,θ) = 0, inside... Mar3-14 12:59 PM pasmith 7 106 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Determine the interior, the boundary and the closure of... Feb11-14 10:10 PM Dick 11 201 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Find the deflection at x=L/4 and x=L/2 for the beam ... Feb10-14 04:58 PM SteamKing 5 132 Engineering, Comp Sci, & Technology Homework I'm working on a student design project building a multirotor UAV to host a sensor array. The airframe supports arm... Feb8-14 02:48 PM AlephZero 1 175 Mechanical Engineering Hello, I am looking to solve the 3D equation in spherical coordinates \nabla \cdot \vec{J} = 0 using the Ohm's... Feb1-14 06:20 PM pasmith 1 295 Differential Equations This is part of a solution to find the average of power consumption. In the solution, the boundary taken is from -T/2... Jan28-14 12:12 PM collinsmark 1 119 Engineering, Comp Sci, & Technology Homework Hi, I have to use a wide 5 point stencil to solve a problem to fourth order accuracy. In particular, the one I'm... Jan22-14 02:09 PM AlephZero 3 546 Math & Science Software I'm trying to implement a numerical code for the diffusion equation with moving boundaries. I have no problems with... Jan19-14 01:05 PM babagoslow 2 340 Calculus Hi, I'm trying to show that if ## M^n ## is orientable and connected, with boundary (say with just one boundary... Jan14-14 11:40 PM lavinia 8 630 Differential Geometry In Griffith's section about electrostatic boundary conditions, he says that given a surface with charge density ... Jan10-14 11:50 AM phy_infinite 7 271 Classical Physics hi all, i have wrote codes for 2d fdtd in different permittivity (epsilon). in this code, cell size is 200 x 200,... Jan10-14 06:46 AM DrClaude 3 510 Programming & Computer Science Can anyone explain me why the thermal boundary layer develops faster for viscous fluids? I would just say it would... Jan7-14 05:16 PM Chestermiller 22 1,737 Materials & Chemical Engineering Hi, please could someone help clarify the reason why a mechanical wave is inverted at a boundary as I'm really stuck!... Jan6-14 06:44 PM sophiecentaur 3 335 Classical Physics 1. The problem statement, all variables and given/known data now I have a PDE $$u_{xx}+u_{yy}=0,for 01 , 0≤y≤\frac{\pi}{2}$$ let take... Oct9-13 03:12 PM sigh1342 0 317 Differential Equations Hi all, I'm asking a question about the number of the boundary conditions in high-order PDE. Say, we are solving... Sep29-13 11:28 AM pasmith 1 426 Differential Equations Considering the classic problem in Electrodynamics "Conducting sphere with Hemispheres at different potentials" How... Sep28-13 10:35 AM WannabeNewton 4 315 Classical Physics Dear all, I am stuck with the problem which is given below;... Sep24-13 05:58 PM ronaldinho52 3 631 Calculus Hi all, It may be a trivial question. But, if I have a PDE of variable u(x,t) --------------------------------... Sep24-13 04:15 PM AlephZero 10 517 General Physics This was just posted on arxiv. It seems to be of general interest so here's a thread in case anyone wants to discuss... Sep18-13 05:11 PM marcus 17 2,392 Beyond the Standard Model Hey! Speaking electrodynamics, I can't seem to get mathematically or even physically convinced that the solution... Sep17-13 08:26 PM Chestermiller 2 372 Classical Physics