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All - Please see the attached pdf. I'm having difficulty getting the following to work in Mathcad. The error I get is this array index is invalid for this array. The frustrating part is that I've done this before in a different Mathcad sheet and it's worked fine. Any ideas as to what I'm...

Hi All - I have just completed the CSiBridge introductory example for a two span post-tensioned concrete box girder and for the most part didn't have any issues. One issue that perplexes me is that I specified a three column bent as the example notes and is shown in the example but my model...

All - I recently obtained some old exe files supposedly written in FORTRAN. I'd like to see the programming code and find out what's going on with the program. There are parts of the programming that I understand how it does what it does and there are parts I don't understand that have more...

Hello MEs. I'm a long time member who usually stays in my own backyard - over in the structures area. But I have a situation where a relatively quick calculation (I hope) is appreciated from those of you with course work in heat transfer. I have a 10' mild steel rod that at one free end is...

All - I am looking for your recommendations on the best text to learn AutoLisp. I'm not an expert at CAD but I would like to create some routines that would automatically carry out some of the more tedious CAD tasks that I do. TIA. Regards, Qshake [pipe] Eng-Tips Forums:Real Solutions for...

Hello all. I'd like for another set of eyes to see this if statement to see where a circular reference has occured (or not) and or point a trouble spot as to why it doesn't return the expected value. =IF(M34>=0,(IF((K34*M34+G34)>=$N$7, G35=$N$7,G35=K34*M34+G34)),(IF(ABS(K34*M34+G34)>=$N$7...

All - I would appreciate hearing from anyone with experience using the subject software. Specifically, I would like to know what references are helpful to learn this software. There seems to be little in the way of learning material from the company that produces this program. And training...

All - I would be grateful if you could point me in the direction of some paper, text or other collection of material that presents a dicussion on the impacts of the drilled pier (shaft) construction on existing structures in the area, buried or not. I am of mind to start with machine...

All I would appreciate any advice on how to solve the attached problem with units. Before I tried to use units in this MathCAD sheet, I was able to evaluate the function, Vu(x) for the maximum and minimum as shown in the attached sheet. Now, having defined units for all the variables...

All - Am working in MathCAD 14 and have a problem with unit consistency. I have defined kips per cubic foot as kcf and have multiplied that density by an area. I was expecting to have resulting units as kips per foot klf but instead have lb/s^2. What gives? How do I get klf? thanks...

Anyone using Bridge Information Modeling (BrIM)? Thoughts? Experiences? Pros/Cons? Regards, Qshake [pipe] Eng-Tips Forums:Real Solutions for Real Problems Really Quick.

I would like to know how to find the max of a function defined as Mx(x) by programming. The max(A) function doesn't work in this case.... Thanks, Regards, Qshake [pipe] Eng-Tips Forums:Real Solutions for Real Problems Really Quick.

Can any one help with some examples of programs coded to open text files, search them for some criteria, extract that data and dump into another text file? Thanks! Regards, Qshake [pipe] Eng-Tips Forums:Real Solutions for Real Problems Really Quick.

I would appreciate any recommendations for tutorials for dimension driven design. I'm sure there are many websites, but not being a strict CADD user it's not easy to find the exact information that I'm looking for. Regards, Qshake [pipe] Eng-Tips Forums:Real Solutions for Real Problems Really...

I'm looking for design example of a simply supported sandwich plate subject to a uniform load normal to the face plates. I've looked in many textbooks like Jones, Whitney, Ishai, Tsai, and Vasillev. Many have derivations but no complete examples. I appreciate any suggestions. Regards...

All - It's apparent that we all use spreadsheets in our everyday work. Some of us work in very competitive markets so let me ask how others keep spreadsheets within the workplace and not leaving with the developer or someone who's just using? Do you have a method? No method, just trust...

All - It's apparent that we all use spreadsheets in our everyday work. Some of us work in very competitive markets so let me ask how others keep spreadsheets within the workplace? Do you have a method? No method, just trust? Leave it to the overall general policy about intellectual theft...

Five years ago, the structural industry was beat on for not designing buildings to resist aircraft collision, now I suspose that we'll be beat on for not designing our structures to resist the odd vehicle impact! http://news.yahoo.com/s/ap/20060913/ap_on_re_us/car_stuck_in_building_2...

Through the search function here I found an old post on this subject (2004) and wondered if in the two years since Geopak has produced any training CDs or better manuals and if there are any internet sites that can help understand this product better? Regards, Qshake [pipe] Eng-Tips...

How does one break up long equations in Mathcad so as to keep the equation all on one sheet? Regards, Qshake [pipe] Eng-Tips Forums:Real Solutions for Real Problems Really Quick.