| iMechanica

Mechanical characterisation of lignocellulosic fibres using toy bricks tensile tester

Submitted by fendi on Mon, 07/15/2019 - 11:00

This paper demonstrates the potential use of toy-bricks as the building block of a mechanical tensile testing instrument for the mechanical characterisation of natural fibres. A table-top tensile testing instrument was developed using LEGO parts (Mindstorms EV3 and Technics) and a 2 kg capacity load cell, whereas deformation modes were programmed in an open source programming language. Experimental work was conducted on oil palm fibres under different tensile modes (i.e.

PhD position at the University of Sheffield: Tomography of Large Structural Elements

Submitted by MatthewGilbert on Sun, 07/14/2019 - 21:19

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Large structural elements forming structures such as bridges, retaining walls and tunnel linings may contain hidden defects that limit their longevity, with major safety and cost implications. Also, when a structure is subjected to intense loading, internal damage may occur which is not visible on the surface.

PhD position at the University of Sheffield: Structural Optimisation of Concrete Elements Constructed with Digitally Fabricated Formworks

Submitted by MatthewGilbert on Sun, 07/14/2019 - 21:16

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Modern digital design and fabrication methods in architecture, engineering and construction, provide enhanced freedom in the sculpting, optimisation, fabrication and construction of building geometries, be they free-form structural shells, cladding elements or performance optimised lightweight structural components.

Soft Robotics Postdoc Position at Shanghai Jiao Tong University

Submitted by Guoying Gu on Sun, 07/14/2019 - 02:43

Dear colleagues,

There is a funded postdoc position (2-3 years) at Soft Robotics and Biodesign lab (http://softrobotics.sjtu.edu.cn/ ), Robotics Institute, School of Mechanical Engineering, Shanghai Jiao Tong University (SJTU), Shanghai, China. We have a soft robotic project on developing wearable and assistive soft robots for assisting and restoring the ability of the humans with the upper extremity weakness in activities of daily living.

Micromechanical models for the stiffness and strength of UHMWPE macrofibrils

Submitted by Hai Dong on Sat, 07/13/2019 - 23:24

Ultrahigh molecular weight polyethylene (UHMWPE) fibers have a complex hierarchical structure that at the micron-scale is composed of oriented chain crystals, lamellar crystals, and amorphous domains organized into macrofibrils. We developed a computational micromechanical modeling study of the effects of the morphological structure and constituent material properties on the deformation mechanisms, stiffness and strength of the UHMWPE macrofibrils.

Thermal Response of Mortar Panels with Different Forms of Macro-Encapsulated Phase Change Materials: A Finite Element Study

Submitted by shavijabranko on Sat, 07/13/2019 - 09:33

Use of phase change materials in building envelopes has potential to reduce the temperature fluctuations inside of buildings. This is a booming area of research. Our group has recently published an article in which we studied macro-encapsulated paraffinic materials for this application. The article is available at: https://www.researchgate.net/publication/334370825_Thermal_Response_of_…;

Call for Nominations for ASME's Applied Mechanics Division Awards 2019

Submitted by Executive Comm… on Fri, 07/12/2019 - 18:55

Dear Colleagues,

We wanted to alert you for the call for nominations of the awards of the Applied Mechanics Division (AMD) of the American Society of Mechanical Engineers (ASME), which are due on September 15th, 2019.

Intern Position at Apple(FEA)

Submitted by Xujun Zhao on Fri, 07/12/2019 - 17:19

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Job Summary

Apple PPO Engineering team is looking for an enthusiastic and highly qualified engineer to lead the structural and dynamic Finite Element Analysis (FEA) in flat panel display and touch sensor. The successful candidate needs to have strong background in fracture mechanics, mechanical testing/characterization and FEA modeling, and must be highly self-motivated.

Core Summary

PhD position in Computational Fracture Mechanics at Imperial College London

Submitted by Emilio Martíne… on Fri, 07/12/2019 - 15:51

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Applications are invited for a PhD scholarship at Imperial College London. The project will involve the development of novel computational tools to unravel fracture mechanics challenges across disciplines. The student will join the Mechanics of Infrastructure Materials Lab, led by Dr Emilio Martínez-Pañeda.