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Ian Smith

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Publications associées (221)

Structural Resilience through Model-Based Data Interpretation: From Building to City-Scale Post-Seismic Assessment

Ian Smith, Pierino Lestuzzi, Yves Sylvain Gilles Reuland, Lorenzo Diana

Earthquake-design approaches in regions with low to medium seismic hazard often focus on the protection of inhabitants. Therefore, some structural damage is accepted. In addition, large parts of the building stock have usually been built without considerin ...

Research Publishing2018

Comparing methodologies for structural identification and fatigue life prediction of a highway bridge

Ian Smith, Alain Nussbaumer, Sai Ganesh Sarvotham Pai

Accurate measurement-data interpretation leads to increased understanding of structural behavior and enhanced asset-management decision making. In this paper, four data-interpretation methodologies, residual minimization, traditional Bayesian model updatin ...

2018

Actuator Layout Optimization for Adaptive Structures Performing Large Shape Changes, Advanced Computing Strategies for Engineering

Ian Smith, Arka Prabhata Reksowardojo, Gennaro Senatore

Adaptive structures are sensed and actuated to modify internal forces and shape to maintain optimal performance in response to loads. The use of large shape changes as a structural adaptation strategy to counteract the effect of loads has been investigated ...

2018

Application of a sequence-free iterative structural identification framework for reserve capacity estimation of a steel-concrete composite bridge

Ian Smith, Sai Ganesh Sarvotham Pai

ASCE2018

Leak detection of water supply networks using error-domain model falsification

Ian Smith, Gaudenz Moser

2018

Using dynamic measurements to detect and locate ruptured cables on a tensegrity structure

Ian Smith, Ann Christine Sychterz

2018

Measurement data interpretation for sustainable asset management and for future responsive cities (Keynote talk)

Ian Smith

2018

Advanced measurement data interpretation for sustainable asset management (Keynote talk)

Ian Smith

2018

User-interface development for model-based data-interpretation

Ian Smith, Yves Sylvain Gilles Reuland, Sai Ganesh Sarvotham Pai

2018

Improvement of deployment trajectory of a tensegrity structure using a path-planning algorithm

Ian Smith, Ann Christine Sychterz

2018

A dynamic-relaxation formulation for analysis of cable structures with sliding-induced friction

Ian Smith, Nizar Bel Hadj Ali, Ann Christine Sychterz

In many cable structures, special types of joints are designed to allow cables to slide freely along the joints. Thus, a number of discrete cable elements are substituted by a single continuous cable that slides over multiple nodes. Continuous cables are e ...

Elsevier2017

Measurement system design for leak detection in hydraulic pressurized networks

Ian Smith, Gaudenz Moser

This paper compares four sensor placement strategies which differ according to their evaluation criteria (EC). The first involves the minimisation of the expected number of candidate models, and the second is based on maximising joint entropy. The first me ...

Taylor & Francis2017

Data-Interpretation methodologies for Non-Linear Earthquake Response Predictions of Damaged Structures

Ian Smith, Pierino Lestuzzi, Yves Sylvain Gilles Reuland

Seismic exposure of buildings presents difficult engineering challenges. The principles of seismic design involve structures that sustain damage and still protect inhabitants. Precise and accurate knowledge of the residual capacity of damaged structures is ...

2017

Vibration-based occupant detection using a multiple-model approach

Ian Smith, Yves Sylvain Gilles Reuland, Sai Ganesh Sarvotham Pai, Slah Drira

Society for Experimental Mechanics (SEM)2017

Traffic-Based Condition Assessment and Fatigue-Life Predictions for a Highway Bridge

Ian Smith, Alain Nussbaumer, Sai Ganesh Sarvotham Pai

Most civil infrastructure today was built during the second half of 20th century and is nearing the end of its service life. With increasing infrastructure demand that cannot be met with current resources for new supply, replacement of all aging infrastruc ...

Amer Soc Civil Engineers2017

Usefulness of ambient-vibration measurements for seismic assessment of existing structures

Ian Smith, Pierino Lestuzzi, Yves Sylvain Gilles Reuland

A large number of buildings in regions with low to medium seismic hazard have been designed without considering earthquake actions. Retrofitting of all buildings that fail to meet modern code requirements is economically, technically and environmentally un ...

2017

A Practical Engineering Approach to Interpreting Measurement Data in Uncertain Contexts

Ian Smith, Sai Ganesh Sarvotham Pai

Measurement data interpretation has the potential to improve asset management through quantification of reserve capacity and execution of well-engineered interventions. Many recent proposals for data interpretation that include uncertainty are not appropri ...

ASCE2017

Large and reversible shape changes as a strategy for structural adaptation

Ian Smith, Arka Prabhata Reksowardojo, Gennaro Senatore

Adaptive structures are sensed and actuated to perform tasks such as modifying their internal load-path in response to external actions to maintain optimal performance. Shape control and load-path redirection have been investigated to counteract the effect ...

2017

Adaptive control of a deployable tensegrity structure

Ian Smith, Nicolas Willy Veuve, Ann Christine Sychterz

Deployable structures belong to a special class of moveable structures that are capable of form and size change. Controlling movement of deployable structures is important for successful deployment, in-service adaptation and safety. In this paper, measurem ...

2017

Lehrveranstaltungen in Baudynamik und Erdbebeningenieurwesen an der EPFL

Ian Smith, Pierino Lestuzzi, Katrin Beyer, Dimitrios Lignos

Baudynamik und Erdbebeningenieurwesen sind im Lehrplan des Bauingenieurwesens an der EPFL gut verankert. Baudynamik ist eine von nur fünf Pflichtveranstaltungen im Masterstudiengang und der Vorlesung muss daher von allen Studenten besucht und bestanden wer ...

2017

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