Tag Archives: simulation

Graphing the Matrix Output

Here I continually run the heating routine for a piece with an initial temperature of 70 degrees in a furnace set to 2300 degrees. The temperature scale, expressed vertically, runs from 0-2500 degrees. The bottom of the piece, which sits … Continue reading →

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How Quickly Can the Matrix Be Solved?

The solution was finally made to run last week. Today the question is how fast the thing runs. My feel for the answer to this question has to do with the context in which I first asked it. From 1994 … Continue reading →

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Static and Dynamic Coefficients in Matrix Thermal Solutions

Recalling yesterday’s initial heat balance equation for each node: it should be noted that the values of both the specific heat and the thermal conductivity of steel are themselves functions of temperature. That means that these values need to be … Continue reading →

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Reverse Engineering Or… What Was It I Was Trying To Do There?

While continuing the process of turning the JavaScript graph widget into an object I found I needed to create labels of various kinds, which you see added in the examples below. I also wanted to test out some more of … Continue reading →

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Checking My Steam Table Functions

While I was working out a steam table page yesterday I found it necessary to graph the functions out as a means of verifying them.  Here’s the first graph I created in JavaScript.  It shows not only the curve of … Continue reading →

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Steam Tables (and Thermodynamic Properties of Fluids In General)

A little while ago I was ruminating on the subject of needing to know the thermodynamic properties of materials before you could do simulations of those materials. I therefore figured I’d spend the week dusting off some old functions I’d … Continue reading →

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Simulation: Continuing Yesterday’s Analysis

Yesterday I analyzed some of the considerations involved in modeling a section of a petrochemical refining process, namely that of hydrodesulfurization. That is adding hydrogen to hydrocarbons containing sulfur in the presence of a catalyst at an elevated temperature so … Continue reading →

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Simulations: What Gets Modeled And What Doesn’t

When I’m not flogging away at code these days I’m thinking about continuous simulations and the details that get modeled within them. Specifically I’ve been reading about and thinking about operations in petrochemical refineries, and even more specifically certain classes … Continue reading →

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The Ultimate Limits of Simulation

Last time I discussed the factors that drive the scale of any simulation or business system. One a less practical, more theoretical, more fun note, we might ask just how far a digital simulation can go? What kind of scope … Continue reading →

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What Drives The Scale Of A Business Or Simulation System?

The scale of a business or simulation (continuous or discrete-event) system can be driven by a number of factors. Scale can be measured in terms of CPU cycles, communication bandwidth, disk storage, dynamic memory usage, power consumption, and perhaps other … Continue reading →

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