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3D Weaving with Curved Ribbons

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We present X-shells, a new class of deployable structures formed by an ensemble of elastically deforming beams coupled through rotational joints. An X-shell can be assembled conveniently in a flat configuration from standard elastic beam elements and then ...

ASSOC COMPUTING MACHINERY2019

Reprogramming the B1 Domain of Streptococcal Protein G (GB1)

Esra Bozkurt

Nature has the ability to cope with extreme pH, temperature and pressure, in addition to bestowing a wide array of functionalities to (bio)macromolecules. These specialized skills have attracted the interest of vast scientific communities especially in vie ...

EPFL2018

Toward design optimization of a Pelton turbine runner

François Avellan, Loïc Andolfatto, Christian Vessaz, Christophe Tournier

The objective of the present paper is to propose a strategy to optimize the performance of a Pelton runner based on a parametric model of the bucket geometry, massive particle based numerical simulations and advanced optimization strategies to reduce the d ...

Springer Verlag2017

Reciprocal diagrams: Innovative applications of past theories

Corentin Jean Dominique Fivet

The geometric relationships between a structural configuration and its internal force distribution have not received much attention for nearly hundred years. Directly stemming from the most fundamental principles of statics, the underlying theories were br ...

2016

Winding Pack Proposal for the TF and CS Coils of European DEMO

Pierluigi Bruzzone, Kamil Sedlák, Rainer Wesche

The design of the European DEMO, i.e., the future fusion tokamak planned after ITER, is being developed under the coordination of the EUROfusion Consortium. This paper reports the design optimization of the toroidal field (TF) winding pack and its correspo ...

2016

Computational Methods for Fabrication-aware Modeling, Rationalization and Assembly of Architectural Structures

Mario Moacir Deuss

Architectural structures such as buildings, towers, bridges and roofs are of fundamental importance in urban environments. Their design, planing, construction and maintenance carry numerous challenges in engineering due to the complex interplay of material ...

EPFL2015

Funicular structures, which follow the shapes of hanging chains, work in pure tension (cables) or pure compression (arches), and offer a materially efficient solution compared to structures that work through bending action. However, the set of geometries t ...

IASS2015

2015

On the dynamics of human locomotion and co-design of lower limb assistive devices

Jesse van den Kieboom

Recent developments in lower extremities wearable robotic devices for the assistance and rehabilitation of humans suffering from an impairment have led to several successes in the assistance of people who as a result regained a certain form of locomotive c ...

EPFL2014

Design optimization of a 2D blade by means of milling tool path

François Avellan, Christian Vessaz, Christophe Tournier

In a conventional design and manufacturing process, turbine blades are modeled based on reverse engineering or on parametric modeling with Computer Fluids Dynamics (CFD) optimization. Then, only raises the question of the manufacturing of the blades. As th ...

2013