vtoolbox/vtbud.html at master · vibrationtoolbox/vtoolbox · GitHub

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<div class="document" id="updates-to-engineering-vibration-toolbox-since-1-1-98">
<h1 class="title">Updates to Engineering Vibration Toolbox since 1/1/98</h1>

<table border="1" class="docutils">
<colgroup>
<col width="8%" />
<col width="17%" />
<col width="75%" />
</colgroup>
<thead valign="bottom">
<tr><th class="head">Date</th>
<th class="head">code/s</th>
<th class="head">change</th>
</tr>
</thead>
<tbody valign="top">
<tr><td>07/23/15</td>
<td>vtbud</td>
<td>Change website of Vibration Toolbox</td>
</tr>
<tr><td>04/14/14</td>
<td>vtb7_5</td>
<td>Fix automated upper bound on FRF frequency for calculations.</td>
</tr>
<tr><td>10/03/12</td>
<td>vtbchk</td>
<td>Fix crash when off internet, provide warning.</td>
</tr>
<tr><td>06/27/12</td>
<td>vtbud</td>
<td>Avoid errors when run without GUI.</td>
</tr>
<tr><td>06/27/12</td>
<td>Comments</td>
<td>vtoolbox version number now displaying properly using VER</td>
</tr>
<tr><td>10/20/11</td>
<td>vtb3_3</td>
<td>Added example illustrating the Gibb's effect.</td>
</tr>
<tr><td>05/29/09</td>
<td>vtb4_4</td>
<td>Simulate forced response of MDOF system (uses lsim)</td>
</tr>
<tr><td>04/13/09</td>
<td>vtb2_4</td>
<td>Add missing argument back in (opt wasmissing)</td>
</tr>
<tr><td>01/23/08</td>
<td>vtb10_1</td>
<td>Fixed incompatible legacy code</td>
</tr>
<tr><td>07/14/08</td>
<td>vtb7_5</td>
<td>Corrected error of calling unavailable function ssit</td>
</tr>
<tr><td>07/14/08</td>
<td>vtb7_6</td>
<td>New code to find eigenvalues and mode shapes using power method.</td>
</tr>
<tr><td>04/25/08</td>
<td>vtbchk</td>
<td>New code called at the end of each function to provide automated update
checking. Function is run at the termination of all major functions.</td>
</tr>
<tr><td>&nbsp;</td>
<td>vtb3_1</td>
<td>Corrected aliasing issue reported by Pappa, added settling time marks.</td>
</tr>
<tr><td>04/15/08</td>
<td>vtb1_4</td>
<td>Added to the help</td>
</tr>
<tr><td>02/22/08</td>
<td>vtb6_3</td>
<td>Free-free conditions were missing one mode</td>
</tr>
<tr><td>02/20/08</td>
<td>vtb6_3</td>
<td>Simply supported modes were broken</td>
</tr>
<tr><td>02/20/08</td>
<td>vtb6_5</td>
<td>Boundary condition type wasn't being used</td>
</tr>
<tr><td>11/23/07</td>
<td>vtb3_5</td>
<td>Improved to more easily handle even/odd differences</td>
</tr>
<tr><td>09/02/07</td>
<td>vtb6_3</td>
<td>Didn't plot modes correctly</td>
</tr>
<tr><td>08/29/07</td>
<td>vtb6_5</td>
<td>New code, generates FRF for beam</td>
</tr>
<tr><td>07/20/07</td>
<td>vtb6_3</td>
<td>Added rigid body modes</td>
</tr>
<tr><td>&nbsp;</td>
<td>vtb6_3</td>
<td>Added animations</td>
</tr>
<tr><td>&nbsp;</td>
<td>vtb6_3</td>
<td>Changed input format</td>
</tr>
<tr><td>&nbsp;</td>
<td>vtb6_3</td>
<td>Mass normalized mode shapes</td>
</tr>
<tr><td>06/25/07</td>
<td>vtb1_3</td>
<td>Corrected description of vtb1_3</td>
</tr>
<tr><td>11/20/06</td>
<td>vtb4_1</td>
<td>Corrected reported wrong modes</td>
</tr>
<tr><td>11/17/06</td>
<td>vtb3_5</td>
<td>Added: Plot Fourier series</td>
</tr>
<tr><td>11/10/06</td>
<td>vtbud</td>
<td>Improved vtbud so false updates won't be reported.</td>
</tr>
<tr><td>11/10/06</td>
<td>vtbud</td>
<td>Fixed unix installation to avoid repeatedly adding path to startup.m file.</td>
</tr>
<tr><td>10/24/06</td>
<td>vtb1_3</td>
<td>Attempts to automatically correct for bad step size choices.</td>
</tr>
<tr><td>10/23/06</td>
<td>vtb</td>
<td>Improved help.</td>
</tr>
<tr><td>10/23/06</td>
<td>vtbud</td>
<td>Fix bugs, error checking.</td>
</tr>
<tr><td>10/21/06</td>
<td>vtb1_3</td>
<td>Only for single degree of freedom systems. Doesn't require editing separate
file.</td>
</tr>
<tr><td>10/20/06</td>
<td>vtbud</td>
<td>Now can install and/or update the toolbox.</td>
</tr>
<tr><td>06/12/06</td>
<td>vtb4_1</td>
<td>Incorporated Cholesky Decomposition</td>
</tr>
<tr><td>09/14/05</td>
<td>vtb3_3</td>
<td>Error regarding using i as a variable fixed.</td>
</tr>
<tr><td>05/15/01</td>
<td>vtb3</td>
<td>Changed help for vtb3_3</td>
</tr>
<tr><td>05/15/01</td>
<td>vtb3_3</td>
<td>Fixed vtb3_3 when n is not given by user.</td>
</tr>
<tr><td>01/01/01</td>
<td>vtb1_2</td>
<td>Changed the word undamped to unforced in the help</td>
</tr>
<tr><td>11/26/00</td>
<td>vtbud</td>
<td>Changed URL for vtbud. Created vtbud.txt to log changes</td>
</tr>
<tr><td>10/30/00</td>
<td>vtb8_1</td>
<td>Fixed no longer available 'i' plot type.</td>
</tr>
<tr><td>&nbsp;</td>
<td>vtb8_3</td>
<td>Fixed no longer available 'i' plot type.</td>
</tr>
<tr><td>&nbsp;</td>
<td>vtb8</td>
<td>Updated documentation file name.</td>
</tr>
<tr><td>07/24/00</td>
<td>vtb1_3</td>
<td>Corrected help (vtb9_3 -&gt; vtb1_3) and spelling
error.</td>
</tr>
<tr><td>05/09/00</td>
<td>vtb7_4</td>
<td>Curve fitting is much more robust, much less likely to fail.</td>
</tr>
<tr><td>04/28/00</td>
<td>vtb2_3</td>
<td>Corrected phase plot</td>
</tr>
<tr><td>04/28/00</td>
<td>numerous</td>
<td>Replaced greek names with greek characters and made subscripts show up
properly.</td>
</tr>
<tr><td>04/24/00</td>
<td>vtb2_4</td>
<td>Added plotting options.</td>
</tr>
<tr><td>04/24/00</td>
<td>vtb2_3</td>
<td>Added plotting options.</td>
</tr>
<tr><td>04/21/00</td>
<td>vtb2_3</td>
<td>Added legend &amp; default values</td>
</tr>
<tr><td>04/21/00</td>
<td>vtb2_4</td>
<td>Added default values</td>
</tr>
<tr><td>04/20/00</td>
<td>vtb2_4</td>
<td>Now allows a list of values of zeta</td>
</tr>
<tr><td>03/21/00</td>
<td>vtb1_5</td>
<td>Calls the old vtb2_6. vtb2_6 has been grandfathered.</td>
</tr>
<tr><td>&nbsp;</td>
<td>vtb1_2</td>
<td>Is the old vtb9_2. vtb9_2has been grandfathered.</td>
</tr>
<tr><td>&nbsp;</td>
<td>vtb1_3</td>
<td>Is the old vtb9_3. vtb9_3 has been grandfathered.</td>
</tr>
<tr><td>&nbsp;</td>
<td>grandfathered.</td>
<td>&nbsp;</td>
</tr>
<tr><td>&nbsp;</td>
<td>vtb1_3ex</td>
<td>Is the old vtb9_3ex. vtb9_3ex has been grandfathered.</td>
</tr>
<tr><td>&nbsp;</td>
<td>grandfathered.</td>
<td>&nbsp;</td>
</tr>
<tr><td>&nbsp;</td>
<td>vtb1_4</td>
<td>Is the old vtb9_4. vtb9_4 has been grandfathered.</td>
</tr>
<tr><td>&nbsp;</td>
<td>grandfathered.</td>
<td>&nbsp;</td>
</tr>
<tr><td>&nbsp;</td>
<td>vtb4_3</td>
<td>Is the old vtb9_1. vtb9_1 has been grandfathered.</td>
</tr>
<tr><td>02/29/00</td>
<td>vtb3_3</td>
<td>Can now run with no arguments.</td>
</tr>
<tr><td>02/28/00</td>
<td>vtb2_3</td>
<td>Can now take a list of values for zeta.</td>
</tr>
<tr><td>02/04/00</td>
<td>vtb7</td>
<td>Added references to vtb7_4 and vtb7_5</td>
</tr>
<tr><td>01/13/00</td>
<td>numerous</td>
<td>Removed GUI buttons for printing since recent versions of Matlab enable such
GUI capabilities on all platforms. Also, removed a number of figure
commands. This will allow the user to invoke the hold command and plot
multiple graphics on a single figure.</td>
</tr>
<tr><td>01/13/00</td>
<td>readme.txt
Contents.m</td>
<td>Updated version of toolbox to 5 to represent dropping of support for version
4 of Matlab in future releases.</td>
</tr>
<tr><td>11/08/99</td>
<td>vtb7_4</td>
<td>Improved robustness of curve fitting with the addition of a few checks. Note:
This code does not fit simultaneous FRFs. Thus the results for MDOF systems
can vary.</td>
</tr>
<tr><td>10/07/99</td>
<td>vtb7_4</td>
<td>Added. Now FRF curve fitting can be performed to ID damping, natural
frequencies, and even mode shapes. There is enough there to perform a
complete modal analysis.</td>
</tr>
<tr><td>10/07/99</td>
<td>vtb7_5</td>
<td>Added. Now FRFs of computational models can be obtained, viewed, or used in
vtb7_4. Includes receptance, mobility, and inertance, along with output of
the corresponding frequency vector.</td>
</tr>
<tr><td>11/20/98</td>
<td>readme.txt</td>
<td>Updated to clarify installation instructions</td>
</tr>
<tr><td>11/11/98</td>
<td>vtbud</td>
<td>Modified URL for web page to use shorter (~) link</td>
</tr>
<tr><td>11/11/98</td>
<td>vtb3_3</td>
<td>Modified example to match default function (Example 3.3.1, T=1)</td>
</tr>
<tr><td>04/03/98</td>
<td>vtbud</td>
<td>Running vtbud automatically displays the most recent vtb updates in your web
browser</td>
</tr>
<tr><td>04/03/98</td>
<td>vtb,vtoolbox</td>
<td>Added error response when called without help</td>
</tr>
<tr><td>03/30/98</td>
<td>Contents</td>
<td>Added reference to
web page</td>
</tr>
<tr><td>03/30/98</td>
<td>Readme</td>
<td>Corrected reference to new web page</td>
</tr>
<tr><td>03/30/98</td>
<td>vtb</td>
<td>Added reference to web page</td>
</tr>
<tr><td>03/17/98</td>
<td>vtb4_2</td>
<td>Incorrect matrix exponential fixed</td>
</tr>
</tbody>
</table>
<p>Run vtbud to compare your version to the most current one.</p>
<p>More information is available at the Engineering Vibration Toolbox
website: <a class="reference external" href="http://www.cecs.wright.edu/~vtoolbox">http://www.cecs.wright.edu/~vtoolbox</a></p>
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