The programs CLT Advanced and COMCYL are spreadsheet programs for performing basic laminate calculations. Both programs have READ ME files that should be read prior to using the programs.

It is assumed that the user has some basic knowledge of laminate theory and have good spreadsheet skills to really take advantage of the Excel features such as, solver and goal seek that can find iterative solutions that may require a lot of time with some other laminate programs.

COMCYL is a program for evaluating global loads only for a cylinder and is much easier to use than CLT Advanced. The usual R/t >10 and other assumptions apply to keep that the error is small. The READ ME file has a listing of additional details. This program written in the mid-eighties is still used for design of rocket motor composite cases.

CLT Advanced is a full feature laminate analysis. It has been developed to take advantage of the open aritecture and take It includes micromechanics, laminate programs for mid-thickness and in the x and y axes neutral bending axes, stress and strain calculations, buckling, and strength evaluation by several failure theories. A useful feature is that a laminate can be saved (or copied) into the Laminate worksheet that can be easily modified. It has been carefully checked against other commercial laminate programs. Please make a copy as it is very easy to overwrite calculation cells.

The CLT Advanced program has been evaluated by several people in the FRP industry and the evaluation was that it is user hostile for input and output. I have developed a Laminate Builder program with pull down menus for materials from which the output can be pasted into CLT Advanced program or linked directly.  This program is not part of the free download.

I will send the programs to the email address in the application form below. You also may contact me with questions, comments, or errors through this registration panel download@compositesengineer.com or rick@compositesengineer.com.

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License Agreement :

 

 


   The software titled "CLT Advanced 2008" and "COMPCYL 2008" the following are designated as "the software", is owned by Frederick (Rick) Van Name, P. E., in the following "the licenser", and it is protected by U.S. and international copyright laws. These computer programs are copyright January 1, 2008 and the licenser hereby grants to you, the licensee, and you accept, a nonexclusive and nontransferable license, to use the software for your own personal use only. You may not copy, disclose, modify, transfer, de-compile, read, or otherwise re-create any portion of the software in whole or in part except as expressly permitted by this agreement. You may make backup copies of the software, as distributed. You may distribute a copy of the software free of charge, to another licensee as defined above, provided you also provide said licensee with a copy of this software license agreement and the licensee accepts the terms and conditions of this agreement. Your license is automatically terminated whenever you transfer any unauthorized copy or modification of the software to any third party. The termination of the license shall be in addition to and not in lieu of any legal remedy available to the licenser. You acknowledge that all rights, including without limitation copyrights, patents, and trade secrets in the software, including without limitations the structure, sequence, organization, flow, logic, source code, object code and all means and forms of operation of the software, are the sole and exclusive property of the licenser. This license agreement is effective until terminated by the licenser or as a result of any of the conditions stated in this agreement. Upon such termination, you agree to destroy all copies of the software.

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This agreement represents the entire agreement between the licenser and the licensee, and it supersedes any proposals, communication, or prior agreements, oral or written between said parties. If any of the provisions of this agreement are invalid under any applicable statute or rule of law, they are to that extent deemed omitted. This agreement will be governed and construed as if wholly entered into and performed in the state of Delaware. You acknowledge that you have read this agreement and agree to be bound by its terms and conditions.		 

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