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- Spühler, Jeannette Hiromi, 1981-, et al.
(författare)
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A High Performance Computing Framework for Finite Element Simulation of Blood Flow in the Left Ventricle of the Human Heart
- 2020
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Ingår i: Lecture Notes in Computational Science and Engineering. - Cham : Springer. ; , s. 155-164
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Konferensbidrag (refereegranskat)abstract
- We present a high performance computing framework for finite element simulation of blood flow in the left ventricle of the human heart. The mathematical model is described together with the discretization method and the parallel implementation in Unicorn which is part of the open source software framework FEniCS-HPC. We show results based on patient-specific data that capture essential features observed with other computational models and imaging techniques, and thus indicate that our framework possesses the potential to provide relevant clinical information for diagnosis and medical treatment. Several other studies have been conducted to simulate the three dimensional blood flow in the left ventricle of the human heart with prescribed wall movement. Our contribution to the field of cardiac research lies in establishing an open source framework modular both in modelling and numerical algorithms.
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| 2. |
- Carlson, Johan E., 1973-, et al.
(författare)
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Modeling of the Stress-Strain Relationship of Rock Bolts from Ultrasound Data
- 2021
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Ingår i: 2021 IEEE International Ultrasonics Symposium (IUS). - : IEEE.
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Konferensbidrag (refereegranskat)abstract
- Load-bearing structural elements such as rock bolts and reinforcing bars (rebar) are ubiquitously present in both mining industries and in infrastructure projects, for securing tunnel walls and ceilings. Being able to detect and localize defects in previously installed rock bolts, or even quantitatively estimate the load they are taking, would be very valuable when planning maintenance and service. Unfortunately, there are no such techniques available today. Previous work shows that ultrasound, being a mechanical wave, is sensitive to mechanical changes in rock bolts. The ultrasound signature is, however, rather complex, and traditional modeling of the wave propagation rapidly becomes challenging. In this paper, we show that the ultrasound signature measured from a 3.2 m long dynamic rock bolt can be used to accurately determine the load applied to the bolt and the resulting elongation of the bolt. The method is based on training a Partial Least Squares Regression (PLSR) model to estimate the force an elongation from power spectra of backscattered ultrasound signatures.
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| 8. |
- Martinson, Johan, et al.
(författare)
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HAnS: IDE-based editing support for embedded feature annotations
- 2021
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Ingår i: ACM International Conference Proceeding Series. - New York, NY, USA : ACM. ; Part F171625-B, s. 28-31
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Konferensbidrag (refereegranskat)abstract
- When developers maintain or evolve software, they often need to know the locations of features. This proves challenging when the feature locations are not documented, when the code was written by different developers who may have left the organization, or when the developer's memory of the implementation has faded. Automated feature location techniques are hard to adopt in practice, especially since they boast too many false positives. To address these challenges, embedded feature annotations have been proposed to allow developers to trace features in code during development with minimal effort. However, tool support is needed for developers to effectively record and use these annotations. We propose HAnS as a tool to meet this need; it is implemented as an IntelliJ IDE plugin to support developers seamlessly record feature locations while they write their code. HAnS supports developers when mapping features to software assets, such as files and code fragments, with code completion and syntax highlighting. It also provides functionality to browse feature definitions and locations, as well as refactor features. A demo video is available at https://youtu.be/cx_-ZshHLgA.
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| 9. |
- Phil, Justice Flores, et al.
(författare)
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Does being innovative and green drive the use of green transport innovations? : The case of shared e-bike and e-scooter
- 2021
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Ingår i: Proceedings of the European Marketing Academy, 50th. - : European Marketing Academy.
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Konferensbidrag (refereegranskat)abstract
- The rise of green transport innovations supports the demand for a greener future. However, little is known as to what drives these innovations’ use. Research has pointed to the importance of consumer innovativeness (CI) and green perceptions. In this study, we look at a promoted green transport mode, shared micromobility. Shared micromobility offers small-scale, lightweight vehicles on an instant need basis. Notably, we identify how CI and green perceptions are related to the use of shared e-bikes and e-scooters. We surveyed 1,501 users and non-users in Copenhagen and Stockholm. Results show that users consider themselves innovative and perceive shared e-bikes and e-scooters as relatively green, while non-users do not. When comparing users, CI and green perceptions relate to shared e-bike use, but only CI is linked to shared e-scooter use. From a marketing perspective, identifying innovativeness and green perceptions allows for targeted communications and a more precise branding focus.
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| 10. |
- Rezvani, Zeinab, 1981-, et al.
(författare)
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Proud and Relieved? How Consumers' Emotions towards an Environmental Policy Affect Perceived Policy Effectiveness and Pro-Environmental Behavior
- 2021
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Ingår i: Proceedings of the European Marketing Academy, 50th, 2021. - : European Marketing Academy.
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Konferensbidrag (refereegranskat)abstract
- Public policymakers have made substantial efforts to promote individuals’ pro-environmental behavior. However, knowledge is sparse on why people support these initiatives and, most importantly, why and how these efforts shape consumers’ direct or activist pro-environmental behavior. Therefore, the present study examines how consumers’ emotions towards the outcomes of an environmental policy affect both indirect or non-activist (ie support for policy) and direct or activist pro-environmental behavior (ie purchase intention for fossil fuel free cars). The findings of an empirical study among Swedish consumers show that feelings of pride and guilt-relief associated with the outcome of an environmental policy positively influence activist and non-activist pro-environmental behavior through perceptions of policy effectiveness. The findings help academics to understand consumers’ pro-environmental behavior from a policy perspective and yield insights for policymakers and practitioners.
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