You are given a solid, homogenous block of material, 48x24x12 inches suspended in air at 70 degrees. The block is initially at 70 degrees as well. Then, a laser is used to heat one corner of the block to a constant 200 degrees. Model the heat transfer through the block and report the average, maximum and minimum temperature of the block once it reaches steady state. How many time-cycles does it take to reach steady state (steady state has been reached when no cube's temperature changes by more the 0.1 degrees between iterations.)?(adsbygoogle = window.adsbygoogle || []).push({});

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I've written some of the program already. I've got two arrays, one at time T and what at time T+1. After I calculated the temperature of each cube in the T+1 array, then it becomes the T array for the next iteration. How should I go about making it stop when the temperature at T+1 minus the temperature at T is less than or equal to .1?

btw, this is f90

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# Fortran: heat transfer program quick help

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