http://wiki.waggy.org/dokuwiki/ 2010-04-18T10:55:33-04:00 http://wiki.waggy.org/dokuwiki/ http://wiki.waggy.org/dokuwiki/lib/images/favicon.ico text/html 2007-04-11T01:09:18-04:00 http://wiki.waggy.org/dokuwiki/bcd?rev=1176268158&do=diff A CD-ROM can hold a lot of data; 650 megabytes is plenty of space to hold an entire education, if the space is used wisely. An entire liberal education could be placed on one disc. This is a “desert island” kind of problem. Suppose you were stranded on a deserted island with only a cheesy solar-powered plain-text reader and one CD. What would be on the CD? text/html 2007-04-29T18:03:54-04:00 http://wiki.waggy.org/dokuwiki/cecad?rev=1177884234&do=diff CE 4313: CE CAD Exam 2: Problems 1-2, Problem 3, Problem 4, Problem 5, Problem 6, Problem 7, Problem 8. Homework 2: Chapter 2, Chapter 2 (continued), Chapter 3, Chapter 4-5. Exam 3: Water Cover Sheet, Wastewater Cover Sheet, Stormwater Cover Sheet text/html 2007-08-15T18:14:07-04:00 http://wiki.waggy.org/dokuwiki/ceconstruction?rev=1187216047&do=diff Homework I: Chapter 2✔, Chapter 3✔, Chapter 4✔, Chapter 5✔, Chapter 6✔, Chapter 7✔, Chapter 8✔, Chapter 9✔, Handout "Chapter 4"✔ Homework II: Chapter 10✔, Chapter 11✔, Chapter 12✔, Chapter 13, Chapter 14✔, Chapter 15✔ text/html 2007-10-04T08:31:23-04:00 http://wiki.waggy.org/dokuwiki/cedesign?rev=1191501083&do=diff CE Design (dw) Presentation [ppt] Ideas * Ethics Presentation Proposal: Roger Rabbit plot and court case: dismantling public transit for private gain * Ethics of Secrecy * Chlorinating drinking water, see <http://www.uh.edu/engines/epi473.htm> * Draining swamps and straightening rivers, USCE problems * Privatizing Water text/html 2007-11-29T02:06:48-04:00 http://wiki.waggy.org/dokuwiki/cenumeric?rev=1196320008&do=diff CE Numeric Midterm: 10/18/07 * ✔Due 9/13/07 * ✔CE 5143 Homework 2 Due 10/13/07 [Supporting spreadsheet] Due 9/13/07 * ✔Homework #2--MATLAB Due 10/27/07 Due 9/27/07 * CE 5143 Homework 3 Due 10/20/07 Due 9/20/07 * ✔CE 5143 Homework 4 Due 10/4/07, CE5143 Homework 4 (Continued) * CE 5143 Homework 5 Due 10/11/07 * ✔CE 5143 Homework 6 Due 10/25/07 * ✔CE 5143 Homework 7 Due 11/8/07[Supporting Spreadsheet] * Problem 1: #13.2 * CE 5143 Homework 6 Due 11/15/07 text/html 2007-07-08T23:24:07-04:00 http://wiki.waggy.org/dokuwiki/concrete?rev=1183951447&do=diff CE 3213 <http://webct.utsa.edu>†. * 7/5/07, 7:00-8:30 pm: Make-up Exam * 7/9/07, 10:30 am - 1:00 pm: Final Exam Homework is due at 5:00 p.m. * Homework #1 Due 6/6/07✔ * Homework #2 Due 6/7/07✔ * Homework #3 Due 6/11/07✔ * Homework #4 Due 6/12/07✔ * Homework #5 Due 6/13/07✔ * Homework #6 Due 6/14/07✔ * Homework #7 Due June 19, 2007✔ * Homework 8 (Due June 20, 2007)✔ * Homework 9 (Due June 21, 2007)✔ * Homework 10 (due June 25)✔ * Homework 11 (due June 26)✔ * Homewo… text/html 2008-12-12T13:25:50-04:00 http://wiki.waggy.org/dokuwiki/courses?rev=1229106350&do=diff * Numerical Linear Algebra * Timber * CE Design (dw) * CE Numeric * Hydraulics * Practice (dw) * Water Resources * CE CAD * Construction * Reinforced Concrete text/html 2009-10-04T14:12:13-04:00 http://wiki.waggy.org/dokuwiki/egr6013?rev=1254679933&do=diff Analytical Tech * EGR 6013 Homework Set 1, EGR 6013 Homework Set 1 (6-11), EGR 6013 Homework Set 1 (12-18), EGR 6013 Homework Set 1 (19-30a) * EGR 6013 Homework Set 2 (32-36), √EGR 6013 Homework Set 2 (38-49), EGR 6013 Homework Set 2 (50-55) * EGR 6013 Homework Set 3, Due 2009-10-05 * EGR 6013 Formula Sheet for Real Linear Algebra * EGR 6013 Homework Set 4a, Due 2009-10-21 * hw_5a text/html 2009-08-09T16:47:29-04:00 http://wiki.waggy.org/dokuwiki/fem?rev=1249850849&do=diff Finite Element Method --- David Wagner 2009/08/08 13:40 This set of pages documents finite element method GNU Octave/MatLab code used for engineering modeling research. * Preprocessing * Problem Definition * Geometry * Material Properties * Section Properties (1- and 2-D elements) * Boundary Conditions * Applied Loads text/html 2007-04-30T08:36:55-04:00 http://wiki.waggy.org/dokuwiki/forbidden403?rev=1177936615&do=diff The following (without dashes or underscores) can cause problems on overly-secured servers. * Please s_e_l_e_c_t something f_r_o_m this list. * It d-r-o-pped f-r-o-m on high t-o splat on the ground. text/html 2008-09-05T19:49:10-04:00 http://wiki.waggy.org/dokuwiki/gardening?rev=1220658550&do=diff Gardening SA --- David Wagner 2008/09/05 16:36 Serious gardening is an attempt to provide for most, if not all of the nutritional needs of a household in a limited area. With only two adult vegetarians to feed, and nearly an acre on which to grow things, this is a reasonable goal. text/html 2007-12-11T12:44:39-04:00 http://wiki.waggy.org/dokuwiki/hydraulics?rev=1197395079&do=diff Hydraulics * ✔ASSIGNMENT 1 (Due September 4, 2007) * ✔ASSIGNMENT 2 (Due September 13, 2006 ) * ✔ASSIGNMENT 3 (Due September 4, 2007) * ✔HOMEWORK 3A DUE September 10, 2007 * ✔Big Blue Flume Notes * ✔ASSIGNMENT 4 (Due October 4, 2007 ) * ✔ASSIGNMENT 5 * ✔Lab 1: Blue Flume Hydraulic Jump * Assignment 6 Due November 1, 2007 * ✘hw_7(Duplicate of Homework 6) * ✔HEC-RAS PRACTICUM -1 (DUE NOVEMBER 20, 2007) * HEC-RAS PRACTICUM - 2 (DUE NOVEMBER 27, 2007) * CE4723 Hydraulics Fi… text/html 2007-09-13T17:43:19-04:00 http://wiki.waggy.org/dokuwiki/hydraulics_hw_3a?rev=1189719799&do=diff CE 3603 – Fluid Mechanics- Fall 2007 --- David Wagner 2007/09/10 12:15 READING: CHAPTER 3 HOMEWORK 3A DUE September 10, 2007 On Web-ct there is an [article scanned from a recent edition of the Wall Street Journal] (front page). This assignment is an opportunity to enjoy and easy article, pick up points, and think. Think about the following questions and write not more than a 2 page report. Be thoughtful! text/html 2010-01-13T19:27:39-04:00 http://wiki.waggy.org/dokuwiki/mandelbulb?rev=1263428859&do=diff PoV-Ray Mandelbulbs --- David Wagner 2009/11/27 03:53 I also posted some animations on YouTube. [Rear View of the Power Eight Mandelbulb Iteration Seven Isosurface] [Front View of the Power Eight Mandelbulb Iteration Six Isosurface] [Another View of the Tail of the Power Eight Mandelbulb, Iteration Six Isosurface] [One of the "Knob Gardens" on the Power Eight Mandelbulb at Seven Iterations] [Closeup of the "Dragon Crest" on the Power Two Mandelbulb] [Another Rendering of the "Dragon Crest"] … text/html 2009-09-03T18:30:14-04:00 http://wiki.waggy.org/dokuwiki/me5013?rev=1252017014&do=diff HPC (uTA) --- David Wagner 2009/09/03 18:28 I'm helping Dr. Millwater with this course. * Installing POV-Ray Beta on Shamu text/html 2009-12-11T01:18:26-04:00 http://wiki.waggy.org/dokuwiki/me5463?rev=1260512306&do=diff Fracture Mechanics ME 5463-001[15343] Fracture Mechanics MW 4:00-5:15pm Wang, X. Final: Fri, Dec 11, 01:30 pm - 04:00 pm Text: Fracture Mechanics, by R.J. Sanford, 2003 * ✔ME 5463-001 Fracture Mechanics, Homework #1 * ✔ME 5463-001 Fracture Mechanics, Homework #2 * ✔ME 5463-001 Fracture Mechanics, Homework #3 * ME 5463-001 Fracture Mechanics, Homework #4 * ME 5463-001 Fracture Mechanics, Homework #5 * √ME 5463-001 Fracture Mechanics, Homework #6 * ME 5463-001 Fracture Mechanics, Ho… text/html 2009-08-11T13:01:21-04:00 http://wiki.waggy.org/dokuwiki/msme?rev=1250010081&do=diff MSME Index --- David Wagner 2009/08/11 10:51 These are notes to help keep my Masters of Science in Mechanical Engineering thesis option program organized. * Summer Research Grant: CTSE * Saturday, August 22, from 9:00 am - 2:00 pm at the UTSA Main (1604) campus: Fall 2009 New Graduate Student Orientation Registration text/html 2008-02-12T12:28:08-04:00 http://wiki.waggy.org/dokuwiki/nla?rev=1202837288&do=diff Numerical Linear Algebra * Assignment 1 MAT 5293 Spring 2007 * Assignment 2 (Access restricted) text/html 2007-05-10T16:46:21-04:00 http://wiki.waggy.org/dokuwiki/nniirfffc?rev=1178829981&do=diff Neural Network Infinite Impulse Response Filter Four-function Calculator text/html 2008-12-12T13:33:27-04:00 http://wiki.waggy.org/dokuwiki/olpc?rev=1229106807&do=diff * Geeking out an OLPC text/html 2007-04-30T02:17:44-04:00 http://wiki.waggy.org/dokuwiki/omgwtf?rev=1177913864&do=diff contest at Worse Than Failure (WTF) “...” Interface * [...]“must be entirely mouse-driven.” * “must display calculation results on-screen.” [There is no mention of showing numbers as entered.] * Suggested keys: 0123456789+-*/=C [Note the lack of a decimal point key.] * Standard calculator entry order text/html 2008-06-28T20:50:32-04:00 http://wiki.waggy.org/dokuwiki/piezo_enclosure-1d?rev=1214700632&do=diff A Simple Piezo Bender Acoustic Enclosure Model --- David Wagner 2008/03/25 15:06 This is a simple, one-dimensional model of a piezoelectric bender bimorph in a radially-symmetric acoustic enclosure. Many simplifying assumptions are needed. * The piezo's dielectric constant remains constant (it actually changes dynamically) * The piezo material extends across the entire surface of the bender. * The piezo material is very thin relative to the substrate. * The element edges do not mov… text/html 2008-05-09T13:40:25-04:00 http://wiki.waggy.org/dokuwiki/piezo_enclosure-1d_000?rev=1210354825&do=diff A Simple Piezo Bender Acoustic Enclosure Model --- David Wagner 2008/03/25 15:06 This is a simple, one-dimensional model of a piezoelectric bender bimorph in a radially-symmetric acoustic enclosure. Many simplifying assumptions are needed. * The piezo's dielectric constant remains constant (it actually changes dynamically) * The piezo material extends across the entire surface of the bender. * The piezo material is very thin relative to the substrate. * The element edges do not mov… text/html 2008-06-21T23:00:50-04:00 http://wiki.waggy.org/dokuwiki/piezo_enclosure-1d_001?rev=1214103650&do=diff A Simple Piezo Bender Acoustic Enclosure Model v001 --- David Wagner 2008/03/25 15:06 This is a simple, one-dimensional model of a piezoelectric bender bimorph in a radially-symmetric acoustic enclosure. Many simplifying assumptions are needed. * The piezo's dielectric constant remains constant (it actually changes dynamically) * The piezo material extends across the entire surface of the bender. * The piezo material is very thin relative to the substrate. * The element edges do no… text/html 2008-07-05T23:16:29-04:00 http://wiki.waggy.org/dokuwiki/piezo_headphone-notes?rev=1215314189&do=diff Communications headphones: 300-3000 Hz, centered at 1000 Hz. Low-frequency cutoff is good. 300g cup. ---Loudspeaker and Headphone Handbook, By John Borwick, pg 658. More sensitive magnetic headphones have a narrow frequency response with a low-frequency cutoff of 1.5 to 2 kHz. ---The HZX Headphone Adapter, By Dan Wissell, N1BYT text/html 2008-03-15T15:45:06-04:00 http://wiki.waggy.org/dokuwiki/piezo_headphone?rev=1205610306&do=diff Greetings and salutations. Y'all are an incredible group of people! Although I doubt I'll ever be able to read through all the relevant posts, I'm fairly confident that what I propose will be widely viewed as heresy. Well, go get a large balance and a duck[MMP], if you must, but I recently stumbled across all the evidence I need to convince me it's worth trying to make a headset for crystal radios that outperforms vintage balanced-armature headphones. text/html 2008-03-23T12:45:50-04:00 http://wiki.waggy.org/dokuwiki/piezo_modelling?rev=1206290750&do=diff Piezoelectric Element Modelling NOTES * Piezo only: Δr=2d31Vr/h; Δh=d33V * d33 typically 500×10-12 C/N or m/V * -d31 typically 200×10-12 C/N or m/V * “Dielectric losses usually are more significant than mechanical losses.” * The center point displacement of a standard bender should come out to Δh=3d31Vr²/2h² (Consider with the origin at the center of the disc, a radial cantilever.) text/html 2009-09-26T11:12:10-04:00 http://wiki.waggy.org/dokuwiki/povray?rev=1253977930&do=diff I like to hand-code POV-Ray scenes and think there should be more visual references and advanced tutorials for the POV-Ray SDL. References A few people have posted visual POV-Ray references. O p e n W i k i - POV-Ray Wiki Portfolio--The standard POV-Ray portfolio rendered Christoph's page - crackle form parameters Christoph's page - crackle metricoffset parameters POVObjects - text/html 2007-12-11T10:24:53-04:00 http://wiki.waggy.org/dokuwiki/practice?rev=1197386693&do=diff CE Senior Project Landmark Project This assignment is to describe a landmark of civilization. * Landmark Ideas * Newgrange Notes * 1/23 Landmark Proposal * 2/20 Landmark Proposal Presentation * 4/10 Landmark Presentation * 4/10 Landmark Term Paper Due text/html 2009-01-23T22:55:10-04:00 http://wiki.waggy.org/dokuwiki/puppy?rev=1232769310&do=diff [Dakota with cactus needles in her snout?] Dakota's been playing in the prickly pear? text/html 2010-01-13T21:16:25-04:00 http://wiki.waggy.org/dokuwiki/quaternion?rev=1263435385&do=diff Quaternions --- David Wagner 2010/01/13 19:16 Here are some quaternion functions. * . * . * . * . * . * . * . * . * For real p: ; , where . * See here for quaternion p. For real p. * * * . = = text/html 2007-04-24T09:52:03-04:00 http://wiki.waggy.org/dokuwiki/scythe-order?rev=1177422723&do=diff Scythe Supply, 496 Shore Road, Perry, ME 04667, (207)853-4750 $170Outfit: Straight Snath Height: 72” Hip: 38” Cubit: 19” 20”, 14 oz Gardener's Blade Peening Jig Medium Bregenzer Whetstone Plastic stone holder Book 5Sharpening 8Ring Clamp #4 15Shipping $203 Notes $50Lightweight (40 oz) Straight Snath Height: 72” Hip: 38” Cubit: 19” 5520”, 14 oz Gardener's Blade 4216 oz Cross-peen Hammer and 2 Anvils … text/html 2007-12-11T10:25:22-04:00 http://wiki.waggy.org/dokuwiki/senior?rev=1197386722&do=diff This group project spans two semesters as two classes, CE 4083 Engineering Practice and CE 4183 Engineering Design. The presentation and final report is reviewed by a panel of engineers, most of whom have a background in real estate development. text/html 2007-02-24T11:14:35-04:00 http://wiki.waggy.org/dokuwiki/sidebar?rev=1172333675&do=diff Dokuwiki Introduction * Try New Page ---------- Group Projects * CE Senior Project * Group Members† * Texas Colonias * Bigfoot, Texas * Sunday, February 11, 2007 * 2/13 Proposal Outline * Reinforced Concrete * ideas * 6/14 Group Members† * Concrete Homework text/html 2008-11-25T14:13:57-04:00 http://wiki.waggy.org/dokuwiki/sop?rev=1227640437&do=diff Statement of Purpose --- David Wagner 2008/02/01 12:42 I would like to figure out how to build things better and show people how to do it. At the front of a crowded auditorium, Dr. Bagley passed a few words of encouragement along with graded engineering analysis exams to each nervous student queuing before him. I grinned, relieved, when I saw my score, then he surprised me by asking whether I'd consider changing my major from civil engineering. My response, “But, I like to build things,” … text/html 2010-01-09T16:03:18-04:00 http://wiki.waggy.org/dokuwiki/start?rev=1263070998&do=diff Puppies! [Unfortunately due to excessive spambot activity, only registered users can log in and post to this site at present. Apologies.] This software stores its data as text files so it is easier to export it to another format when necessary. The documentation is surprisingly good and available through the Syntax:Dokuwikilink on the left side of every page. text/html 2009-01-19T11:29:58-04:00 http://wiki.waggy.org/dokuwiki/stroker-notes?rev=1232382598&do=diff Noodle NOTES --- David Wagner 2009/01/06 20:35 Call it Noodle orNummy? (This was called stroker. * Noodle is nice with its allusion to The Nature of Order.) This program has three main differences from other freehand vector drawing tools. * Freehand drawing parameters can be configured by the user. * The original drawn points are saved so the resulting curves, including brushed curves, can be tweaked without redrawing them. * Approximate curves are fit dynamically while being draw… text/html 2007-12-05T03:29:46-04:00 http://wiki.waggy.org/dokuwiki/timber?rev=1196843386&do=diff Timber CE 3253-Introduction to Masonry and Timber Design, Fall 2007 Projects * Project 1: Field Visit to a Timber/Masonry Construction Site Due 11/14/2007 * ✔Project 1, Field Visit to a Construction Site Report * ✔Questions * project_1-photos * project_1-drawing * ✔Appendix IV: Miscellaneous text/html 2007-05-08T20:39:37-04:00 http://wiki.waggy.org/dokuwiki/water_resources?rev=1178671177&do=diff Homework * ✔Homework #1 Due 1/22 * ✔Homework #2 Due 2/2 * ✔Homework #3 Due 2/9 * ✔Homework #4 Due 2/26 * ✔Homework #5 Due 3/7 * ✔ * ✔Homework # 7 Due 3/26 (or 3/28) * ✔Homework #8 Due 4/9 * ✔Homework #9 Due 4/18 * ✔Homework #10 Due 4/30 text/html 2007-04-17T08:35:13-04:00 http://wiki.waggy.org/dokuwiki/webdev?rev=1176813313&do=diff Good web application development separates the three Ss: structure, style, and scripting. See this Web Development Introduction. Helpful Bookmarklets * ReCSS * DOM Inspector (DOMI) * View Names and IDs * Web Arcana Research Tool (WART)---Bookmarklet to upload web content to a wiki as research notes. text/html 2008-03-07T01:40:35-04:00 http://wiki.waggy.org/dokuwiki/windago_estates?rev=1204872035&do=diff --- A comic strip by David Wagner and S.O. 2008/03/07 00:42 * Thunderbird Estates or Thunderbird Plantation? The comic takes place in the near future and centers around the people living in a cul-de-sac of the mostly abandoned Windago Estates, a suburb of a small city somewhere in the United States. The residents are (typical for contemporary Americans) working class with pretensions to the middle. text/html 2010-01-10T03:26:15-04:00 http://wiki.waggy.org/dokuwiki/wine?rev=1263111975&do=diff 2006, Monte Antico, Toscana, Sangiovese, Merlot, Cabenet Sauvignon (CostCo).