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Good Evening, I hope you're doing well. For my project, I am looking to connect two hydraulic cylinders (3-inch OD) with a 16-inch OD flange, as shown in the attachment. The clamps are intended only for lateral bracing of cylinders, as the face plate at the top of the cylinder is connected to a...

Thank you very much. One last question: I understand that every connection is unique and will have a different stiffness value, but are there any standard reference values or general guidelines to use for those situations?

Good Morning Fellow Engineers, I have a beam with multiple closely spaced roller supports (shown only 4 in attached pdf but I have 12 in total) and a cantilever at one end. Design intent is to move the beam on rollers with hydraulic cylinder on one end. When I try to calculate the reaction...

Thank you very much. Just the information I was looking for. Are those requirements in AISC?

Actually, I shouldn’t say "a lot of welding." I have a 45-foot-long W40x324 beam with four doublers (two at each corner, 1 on each side of web) and 26 stiffeners (13 on each side of the web).

Good Morning Fellow Engineers, I'm working on a project with multiple full-length transverse stiffeners & doublers welded along the beam. Original Plan was to weld continuously on all sides—across both flanges and the web. However, I'm concerned about potential warping due to the extensive...

Good Morning, I hope you are well. I am working on sizing an isolation UMHW pad that will be placed below a beam subjected to a load of 250 kips (as shown in attached PDF). Based on the triangular load distribution principle, I expect the load to be distributed over a certain area. My original...

Good Morning, I hope you are well. I am working on sizing an isolation UMHW pad that will be placed below a beam subjected to a load of 250 kips (as shown in attached PDF). Based on the triangular load distribution principle, I expect the load to be distributed over a certain area. My original...

Good Morning Fellow Engineers, For the overhead beam, I’ve been asked to provide a rated load tag. I plan to base the rating on CMAA guidelines, as using a beam trolley or clamp attached to the bottom flange and concentrated load on the middle likely represents the worst-case loading scenario...

...formulation for calculating the stiffness values for diaphragms & certain cross frame. For diaphragms, I can calculate the flexural strength (sigma*section modulus). But what about cross frame? How do we calculate the flexural strength of those cross frames? - Given the field requirements, I...

Thank you very much for the response kootk - I am using fundamentals of beam bracing as reference (page 10/16) - I am planning to have multiple diaphragm (2 on the ends & then approx. 9 ft apart). - By cross brace diaphragm, do u mean W beam as cross brace or any other k or x frame? - I can not...

The span is 45 feet. I think you're referring to system buckling, where both elements buckle simultaneously and behave as a single unit. Is that correct?

Good Morning Fellow Engineers, I am working on a structure with two W40x324 beams spaced 10 feet apart, each carrying a concentrated load of 150 kips at mid-span on the top flange (attached file showing AISC, YURA reference and loading condition) . My goal is to prevent lateral-torsional...

Good Morning Fellow Engineers, I am working on a structure with two W40x324 beams spaced 10 feet apart, each carrying a concentrated load of 150 kips at mid-span on the top flange (attached showing AISC, YURA reference and loading condition) . My goal is to prevent lateral-torsional buckling...

Total Load (vertical) = weight of machine + suspended load = F1 Seismic Load (horizontal) = Coefficient of seismic force * (Weight of machine + suspended load) (coefficient of seismic force is calculated based on site conditions and building codes) = F2 I understand that I should be using...

@rb1957: Yes, that is precisely I am doing. My understanding is that results should be more conservative. Please correct me If I am wrong. @SWComposites: I have already done a conservative hand analysis. I was looking for something to compare my numbers with. I am using the attached...

@FEAWay: Thank you very much for the valuable advices. I will look into the software mentioned #Rb1957: Based on mentioned link, seismic force acts on the center of gravity of the equipment and cause overturning that generates moment forces at the restraint points. I have calculated the...

Thank you very much but Unfortunately I do not have access to either response spectrum analysis or random vibration analysis. I only have simulation professional and it doesn't allow for linear dynamic simulations. Although I used the word seismic but sometimes I have situations where machine is...

...a remote load at coordinate system and Connect the remote load to the faces shown in screenshot #2 -Run FEA and check reaction loads at the faces *Since I am not interested in checking the base part, I will use a lot of stiffeners etc. to stiffen it up so the stress in part does not go...

Thank you very much. I was able to use coordinate system for remote loads but do not see the option of using coordinate system for fixture. Can you please elaborate or show a screenshot?