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hello everyone I usually find some answers in this forum without asking,obviously not today. so,I've passed through some CS rules in order to find something about wooden structural design,I guess only the ISO 12215 had mentioned this topic with 0.45 limiting stress factor for stiffening members...

hello it's my first threard in this side and I hope things will going alright so,I will begin by the keller criterion for the"CAVITATION" the K factor depend on the number of popeller,type of the vessel,they mention: k=0 for high speed twin screw k=0.1 for Twin screw k=0.2 for single screw to...

I have simple question about the application of the section modulus formula of LR rules. for a primary members we have a different section modulus coefficient (1/12) adjacnt to the ends and (1/24) at the mid span.this value can make a reduction of about 50% of the SM if we chose the mid span...