Yujin Lee

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@SureshKumar-ry6pv Ай бұрын

very nice can ping your cell no pl

@daliaelbolkini3688 3 ай бұрын

No sound

@tieptran3102 2 жыл бұрын

Why didn't you keep silent?

@shumoeelarbaaz3606 3 жыл бұрын

Would you please be able to forward me a video with better video quality ? Thank you

@mohammedalsharif5395 3 жыл бұрын

Bad

@nereofibonacci 4 жыл бұрын

Muchas gracias!

@shumoeelarbaaz3606 3 жыл бұрын

Hey would you be able to help with the design please ?

@projectsolution9062 5 жыл бұрын

i have need sacs software link

@midojanko8822 5 жыл бұрын

nice work Many thanks! to specify connection detail is it must to have Ram software alone? because am able to create joint but the last step i can't edit or specify connection detail.

@yujinlee1012 5 жыл бұрын

I am wondering your desired connection type, because in the code doesn't allow specify moment resisted systems.so please check whether will be able to apply the code to your connection.

@suliman9058 5 жыл бұрын

I want to check soft story due gravity loads only (d or l ) but i have center of mass error , i defined rigid diaphragms for nodes , help please my stracture is rc frame

@yujinlee1012 5 жыл бұрын

Would you please send me your STAAD Model? Email : [email protected]

@backtomovie5382 5 жыл бұрын

Can you show more video?

@sheshan779 6 жыл бұрын

Hi Lee thanks for the video can I get any documents related to direct analysis in staad. [email protected]

@abdallamahzouz9179 6 жыл бұрын

Dear Lee Greetings Please Tell me Can SACS model & analysis concrete structures exposed to BLAST LOADING or Progressive collapse? I need tutorials. THANKS

@abdallamahzouz9179 6 жыл бұрын

Dear Lee Greetings Please tell me Can SACS model & analysis of Concrete Building exposed to BLAST LOADING & Progressive collapse? Please tell me hOW? THANKS

@SMAMalekJoty 7 жыл бұрын

thanks a lot

@TheTrongvu 8 жыл бұрын

Hi Lee, i have a question. If we design with effective length method in Staad Pro, we need P-Delta analysis or just perform analysis. Thank you

@yujinlee1012 8 жыл бұрын

As you know there are three method for stability analysis.Frist is Amplified first order analysis, second is Effective length, last is direct method.And you have to consider effects as 1.Second order effect (P-delta effect), 2.Flexural, Shear and Axial deformation (STAAD considering it automatically), 3. Geometry imperfection(National load factor), 4.Member stiffness reduction due to residual stress. (Design code already including this effect in the formulas). Also all method have to carry out P-delta analysis to decide whether national load will be apply to design load case or not.

@TheTrongvu 7 жыл бұрын

Dear Lee, Thank you. I have some unclear matters. As i see, you design and check members with only Perform Direct Analysis command, Has P-Large delta effect caused by wind load been included in your analysis if we use only Perform Direct Analysis command? As i know, effect of wind load + vertical load will make second moment at column base. Do we need consider this in analysis? Please explane to me. Thanks a lot.

@yujinlee1012 7 жыл бұрын

Hi Trong,Direct analysis is including P-delta effect and capability to reduce stiffness. but Perform P-delta analysis don't have function for reducing stiffness.Thanks.

@TheTrongvu 7 жыл бұрын

Thanks Lee. If we design with effective length method, we shall use P-Delta analysis comment, right?

@yujinlee1012 7 жыл бұрын

Please let me know your email, and then I will send a document for direct analysis.

@rajatshanu64 8 жыл бұрын

nice

@edubobeh 8 жыл бұрын

do u have anymore videos regarding sacs analysis

@ACENTECH_OFFICIAL 4 жыл бұрын

Did you find another videos ?

@edubobeh 8 жыл бұрын

do u have any more videos regarding sacs analysis

@TheTrongvu 8 жыл бұрын

Hi Lee, thank you so much for your explain. i have one more question. why do you assign FLEX, FYLD, AXIAL parameter just for one column? How about the other column? or one column is enough for any building? (if we have fix support at end of columns, we will assign the parameters in direct analysis definition for two column,right?)

@yujinlee1012 8 жыл бұрын

you are right. There is no P-delta effect in pined columns which will be designed using K=1.0 Thanks.

@abrajsanaa 8 жыл бұрын

dear Mr. Yujin , thanks for this profisional video.I would like to ask you, when I use the steps in the video and start analysis. I got this errror. ERROR: NO REFERENCE LOAD CASE OF TYPE MASS/GRAVITY/DEAD/LIVE IS DEFINED FOR MASS MODELING.what the error mean by addeding load? where I should add the load?can I change the Master Node location from "Calculation" to "select master node" to pass this error.regards

@yujinlee1012 8 жыл бұрын

I am thinking you didn't Modeling of Mass for dynamic analysis. also Rigid floor function need Mass to calculating center of mass that meaning you have to specify Mass before analysis. So Please defined mass with Reference load and defining Load type to Mass. Thanks.

@aleksandarsrdanov1171 8 жыл бұрын

Thanks, Yujin! This helped me a lot.

@TheTrongvu 8 жыл бұрын

Hi Lee, Could you please explain to me the function of CHANGE Command?

@yujinlee1012 8 жыл бұрын

+Trọng Vũ , CHANGE command allow you can be multiple analysis which mean that STAAD can't analysis linear and nonlinear in a model. so you need CHANGE commend.

@yujinlee1012 9 жыл бұрын

I don't have sound. but you can easily under stand.

@AbhishekKumar-dy7hr 9 жыл бұрын

no sound???

@akmalhafiz6758 9 жыл бұрын

Finally.. the most accurate way to mesh plate..thank you very much mr. lee..

@thamilarasu333 9 жыл бұрын

Your Video was Helpful Mr Lee... xièxie nĭ

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