From micromechanics to optimal sensor positioning in SHM applications
Subtitle
A concept applying a substructure technique
Publication date
2024-12-20
Document type
Sammelbandbeitrag oder Buchkapitel
Organisational unit
Book title
dtec.bw-Beiträge der Helmut-Schmidt-Universität / Universität der Bundeswehr Hamburg : Forschungsaktivitäten im Zentrum für Digitalisierungs- und Technologieforschung der Bundeswehr dtec.bw : Band 2 – 2024
First page
206
Last page
210
Peer-reviewed
✅
Part of the university bibliography
✅
Keyword
dtec.bw
SHM
Scale bridging
Discrete modelling
Sub-structure technique
Optimal sensor positioning
Abstract
In order to enhance Structural Health Monitoring of engineering structures, an appropriate modelling of the underlying structures as e. g. bridges or wings is necessary. Amongst other things this includes relevant (pre-)damages as cracks, delaminations, imperfect bonding, etc. which have to be incorporated at the so-called micro- or mesoscale of the structure. However, given the overall dimensions of typical engineering structures a discrete modelling of these (pre-)damages is not feasible at the macro-/structural scale. Thus, a scale-bridging is necessary to capture the structural behaviour. One promising approach to incorporate (pre-)damages at the microscale while maintaining a numerically manageable model of the overall structure is the sub-structure technique which will be used in the current project. Since a Structural Health Monitoring using the aforementioned numerical models strongly relys on useful measurement data it is of tremendous interest to determine the optimal number and the optimal position of the respective sensors. Hence, this topic is also addressed in the current contribution.
Version
Published version
Access right on openHSU
Open access