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3 PhD Research Fellowships at the Department of Structural Engineering (IVT-18/09)

Submitted by leifh on

The Department of Structural Engineering announces 3 positions as
research fellows. The department has at present 21 professors, 7
adjunct professors, 3 in other academic positions, 3 adjunct associate
professors, and 50 research fellows.

The employment period is 4 years, and the positions are within these 4 core areas at the department:

Experimental analysis of prepreg tack

Submitted by LECAM on

Dear all, I post a study dealing with tack of prepreg materials. This kind of composite materials is increasingly used in the design of structural parts, particularly in the aerospace industry.Tack is one of the major properties that governs the ability of prepreg to be laid up. To investigate this property, we have developed a probe tack test to evaluate the effect of the temperature, the contact time, the contact force and the debonding rate on it.

[Webcast] Nuclear Power - from Last Gasp to Second Wind

Submitted by imeche on

This lecture reviews the tumultuous changes taking place in the nuclear industry; from its enthusiastic beginnings, through the darker days and on to the current resurgence. It explores the future of nuclear power as a major solution to energy security and climate change issues.

How to explain the limit load by stiffness matrix using finite element analysis?

Submitted by pfliu@zju.edu.cn on

I always have a question about the convergence problem: when a structure reaches its maximum load-bearing ability, the solution will end if the newton method is used in the finite element analysis. Then which form the stiffness stiffness in the finite element analysis takes on?  Singular or ill-conditioning?  How to explain the appearance of maximum load by variable stiffness matrix?

Young's modulus

Submitted by wanbot on

Hi all,

I have this confusing thought for a quite long time. 

Is there any relation between the time-independent Young's modulus with the time-dependent Young's modulus (instantaneous and equilibrium moduli or loss and storage moduli)?

If yes, what is the equation to relate them?

So many terminologies which make this confusion!

Please help.

Wanbot