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Agyekum, K, Ghansah, F A, Tetteh, P A and Amudjie, J (2021) The role of project managers (PMs) in construction health and safety implementation in Ghana. Journal of Engineering, Design and Technology, 19(1), 245-62.

Falaq Assad, N, Edwards, D J, Shelbourn, M, Martek, I, Wellington Didibhuku Didibhuku, T and El-Gohary, H (2021) Comparison of modular and traditional UK housing construction: a bibliometric analysis. Journal of Engineering, Design and Technology, 19(1), 164-86.

Hosseini, M R, Edwards, D J, Singh, T, Martek, I and Amos, D (2021) Engineering project networks: providing “sustainable work systems" for construction knowledge workers. Journal of Engineering, Design and Technology, 19(1), 21-40.

Irewolede Aina, I, Godwin Iroroakpo, I and Michael Gbolagade, O (2021) Key training practice indicators for optimal site supervisors' utilisation in construction firms. Journal of Engineering, Design and Technology, 19(1), 149-63.

Jafari, K G, Nozhat Sadat Ghazi, S and Noorzai, E (2021) BIM-based integrated solution for analysis and management of mismatches during construction. Journal of Engineering, Design and Technology, 19(1), 81-102.

Johnson, A, Rotimi, J O B and Wilkinson, S (2021) An evaluation of risk factors impacting project budget performance in New Zealand. Journal of Engineering, Design and Technology, 19(1), 41-61.

Mahdizadeh, H and Nor Mariah, A (2021) Numerical study of heat transfer in 90° bend tube by AI₂O₃ nano fluids using fluid injection. Journal of Engineering, Design and Technology, 19(1), 127-48.

Moeti, M, Jacques, E, Feng, W and North, C (2021) Modelling the effect of computation sampling on insight error in computational fluid dynamics scientific simulation. Journal of Engineering, Design and Technology, 19(1), 263-90.

• Type: Journal Article
• Keywords: feedback; visualisation; simulation; experiment
• ISBN/ISSN:
• URL: http://dx.doi.org/10.1108/JEDT-05-2020-0161
• Abstract:
  The purpose of this paper is to collect data from humans as they generate insights from the visualised results of computational fluid dynamics (CFD) scientific simulation. The authors hypothesise the behaviour of their insight errors (IEs) and proceed to quantify the IEs provided by the crowd participants. They then use the insight framework to model the behaviours of the errors. Using the crowd responses and models from the framework, they test the hypotheses and use the results to validate the framework for the speedup of CFD applications. The authors use a randomised between-subjects experiment with blocking. CFD grid resolution is the independent variable while IE is the dependent variable. The experiment has one treatment factor with five levels. In case varying timestamps has an effect on insight variance levels, the authors block the responses by timestep. In total, 150 participants are randomly assigned to one of five groups and also randomly assigned to one of five blocks within a treatment. Participants are asked to complete a benchmark and open-ended task. The authors find that the variances of insight and perception errors have a U-shaped relationship with grid resolution, that similar to the previously studied visualisation applications, the IE framework is valid for insights generated from CFD results and grid resolution can be used to predict the variance of IE resulting from observing CFD post-processing results. To the best of the authors' knowledge, no other work has measured IE variance to present it to simulation users so that they can use it as a feedback metric for selecting the ideal grid resolution when using grid resolution to speedup CFD simulation.

Naga Vamsi Krishna, J, Kota, S and Venkataraman, P B (2021) An impact of simulation labs on engineering students' academic performance: a critical Investigation. Journal of Engineering, Design and Technology, 19(1), 103-26.

Prachi Vinod, I, Gangadhar, M and Deepak, M D (2021) Identifying the performance areas affecting the project performance for Indian construction projects. Journal of Engineering, Design and Technology, 19(1), 1-20.

Radebe, T B, Huan, Z and Baloyi, J (2021) Simulation of eutectic plates in medium refrigerated transport. Journal of Engineering, Design and Technology, 19(1), 62-80.

Sharma, R (2021) Effect of wastes and admixtures on compressive strength of concrete. Journal of Engineering, Design and Technology, 19(1), 219-44.

Sun, Q, He, L, Ding, F, Chen, X, Ding, L and Tu, Y (2021) Modeling and analysis of structure parameters on the lifting force for power catwalk. Journal of Engineering, Design and Technology, 19(1), 187-202.

Wang, Y, Lin, M, Xu, K, Zhang, S and Ma, H (2021) Energy consumption analysis of glass house using electrochromic window in the subtropical region. Journal of Engineering, Design and Technology, 19(1), 203-18.

Zaheer, M I, Ajayi, S O, Sambo Lyson, Z, Oyegoke, A and Kazemi, H (2021) Understanding the key competencies of market-ready building surveying graduates from employers' perspectives. Journal of Engineering, Design and Technology, 19(1), 291-314.