Publications associées à Dessin de définition

Teacher-Mediated and Student-Led Interaction with a Physics Simulation: Effects on the Learning Experience

Computer simulations are often used as support material for science education, as they can engage students through inquiry-based learning, promote their active interaction in the experimentation phase, and help them visualize abstract concepts. For instanc ...

2024

Représenter l'invention : Étude de l'évolution du dessin d'objet technique en Angleterre (ca. 1750-1850)

Yohann Michel Franck Guffroy

This thesis focuses on English invention drawings between 1750 and 1850. These visual documents offer a perspective on a technical aesthetic linked to the rise of English machinery at the turn of the 19th century. In this work, I focus on two specific corp ...

EPFL2023

Lessons learned from a prediction and postdiction of a shake table test on an unreinforced masonry aggregate

Katrin Beyer, Igor Tomic

Historical centers of Europe and Croatia are often formed by unreinforced masonry building aggregates that developed as the layout of the city or village was densified. In these aggregates, adjacent buildings can share structural walls with an older and a ...

2023

A method

Fabien Sorin, Andreas Leber

A method of manufacturing a fibre comprising a lined channel, using a draw apparatus, the method comprising: providing a preform, comprising a channel extending through the preform, to the draw apparatus; feeding a liner into the channel; heating a portion ...

2022

Seismic testing of adjacent interacting masonry structures – A pre-diction and a post-diction using equivalent frame approach

Katrin Beyer, Igor Tomic

The SERA project AIMS (Seismic Testing of Adjacent Interacting Masonry Structures) comprised a blind prediction competition related to a shake-table test of an aggregate of two buildings under two horizontal components of dynamic excitation. Each group was ...

2022

From Marshall Plan to “Hilton in the wild”: The Transnational History of a Cooperative Housing Block in Esat, Ankara

Sila Karatas

This paper concerns the planning, design, and construction history of a postwar multifamily housing block in Ankara, Turkey, viewed from the perspective of the transnational and local networks behind its realization. Built by the Mintrak Building Cooperati ...

2022

Graphical details: the secret life of Christopher Wren's drawing of the weather clock

Ion-Gabriel Mihailescu

Historians have unanimously credited Christopher Wren with having constructed a weather clock (a self-registering instrument) in the early 1660s. This conclusion was based on the account of the French diplomat Balthasar de Monconys, which included a sketch ...

2021

Exploring a Handwriting Programming Language for Educational Robots

Francesco Mondada, Taavet Kangur, Barbara Bruno, Laila Abdelsalam El-Hamamsy, Christian Giang, Vaios Papaspyros, Laura Mathex

Recently, introducing computer science and educational robots in compulsory education has received increasing attention. However, the use of screens in classrooms is often met with resistance, especially in primary school. To address this issue, this study ...

Springer, Cham2021

Blind predictions of shake table testing of aggregate masonry buildings

Katrin Beyer, Igor Tomic, Andrea Penna

In many historical centers in Europe, stone masonry is part of building aggregates, which developed when the layout of the city or village was densified. The analysis of such building aggregates is very challenging and modelling guidelines missing. Advance ...

2021

The emotional entanglements of smartphones "in the field": on social positioning, power relations, and research ethics

Daniel Gatica-Perez, Darshan Santani

Despite human geographers’ growing recognition of the need to explore how digital technologies are increasingly co‐producing geographies, the methodological implications of such forms of data production are rarely discussed. This paper explores how smartph ...

2020

Blind predictions of shake table testing of aggregate masonry buildings

Katrin Beyer, Igor Tomic, Andrea Penna

In many historical centers in Europe, stone masonry is part of building aggregates, which developed when the layout of the city or village was densified. The analysis of such building aggregates is very challenging and modelling guidelines missing. Advance ...

2020

A Crossing Lemma for Multigraphs

János Pach

Let G be a drawing of a graph with n vertices and e > 4n edges, in which no two adjacent edges cross and any pair of independent edges cross at most once. According to the celebrated Crossing Lemma of Ajtai, Chvatal, Newborn, Szemeredi and Leighton, the nu ...

SPRINGER2020

Visual Attention and Perceptual Quality in Omnidirectional Imaging

Evgeniy Upenik

Omnidirectional imaging has reached a level of widespread availability driven by recent advances in integrated circuit technology, image sensors, and computer graphics which allow now capturing, rendering and displaying of such type of immersive content in ...

EPFL2020

“HOUSING Frankfurt Wien Stockholm”: Exhibition of 1920s–1930s Housing Initiatives

Chiara Monterumisi, Alessandro Porotto

Frankfurt, Vienna and Stockholm: three European cities which played a fundamental role in the housing policies implemented during the inter-war period. The research projects and teaching activity carried out at the EPFL in the Laboratory of Construction an ...

2019

A Grammar of Muqarnas: Drawings of the Alhambra by Jones and Goury (1834-1845)

Ignacio Ferrer Perez-Blanco

The muqarnas of the Nasrid Alhambra stand out as one of the most singular architectural episodes o f Medieval Islamic art due to their sophisticated three-dimensional construction, whose layout remains little known. In 1834 and 1837, the architects Owen Jo ...

2019

Unraveling radial dependency effects in fiber thermal drawing

François Gallaire, Fabien Sorin, Alexis Gérald Page, Mathias Simon Daniel Bechert

Fiber-based devices with advanced functionalities are emerging as promising solutions for various applications in flexible electronics and bioengineering. Multimaterial thermal drawing, in particular, has attracted strong interest for its ability to genera ...

2019

Low Carbon Pathways for Structural Design

Catherine Elvire L. De Wolf

To avoid an increase in greenhouse gas emissions, a depletion of resources, and waste accumulation, structural engineers have a major role to play in low carbon structural design. For example, cement- based materials represent one-third of all materials ex ...

2018

Guastavino design of the 1909 thin brick dome of the Cathedral of St John the Divine

Corentin Jean Dominique Fivet

In 1909, Rafael Guastavino Jr. designed the 93-foot-wide dome of the Cathedral of St John the Divine, Harlem, NY. As the thinnest brick shell in the world, the dome is also a clear example of construction efficiency and material optimization. This paper re ...

2017

Validation and improvement of Risk-UE LM2 capacity curves for URM buildings with stiff floors and RC shear walls buildings

Pierino Lestuzzi, Angelo Garofano, Stefano Podesta

This paper addresses seismic vulnerability assessment at an urban scale and more specifically the capacity curves involved for building damage prediction. Standard capacity curves are a function of predefined building typology and are proposed in the Risk- ...

2017

Tailoring Surface Properties of Fiber Materials : Novel Opportunities in the Fabrication of Multi-scale Fiber-based Architectures

Dang Tùng Nguyen

Many surface properties of materials can be tailored by a proper physical patterning. Such patterned surfaces, commonly fabricated by wafer-based techniques, have been widely exploited for light trapping in advanced photovoltaic systems, for tailoring the ...

EPFL2017