7 results for “Amir-Hossein Ashrafi”

Research ArticleOpen accessIn the author namesEvaluation of Surface Drag Interval in the Variable SituationsParisa Ashrafi, Amir Hossein Ashrafi, Hossein Gholami et al.Tools applied in different fields of engineering are artificial neural networks to model non-linear systems which are efficient and useful. Artificial neural networks consist of input and output layers with one or more hidden layers between them. In fact, one or more processing elements or neurons are used in each layer. Input layer neurons are the independent variables studied and … …American Journal of Engineering and Applied Sciences, Vol. 15, Issue 1 · 12 Mar 2022 · 6,005 accessesView PDF Cite

Research ArticleOpen accessIn the author namesImprove the Consumption of Cement and Sand in Massive ConcreteKaveh Ostad-Ali-Askari et al.The massive concretemixing plan is very important due to its large volume of use in concrete dams.Productivity can be increased in dam manufacturing industry by adopting asuitable method for mixing mass concrete that can meet design, executive andeconomic needs. Because of intensification rate construction of dams newperiods and high cost of implementing such projects any step that reduces theircost of … …American Journal of Engineering and Applied Sciences, Vol. 14, Issue 3 · 1 Nov 2021 · 6,352 accessesView PDF Cite

Research ArticleOpen accessIn the author namesInvestigating the Effect of Intangible Factors (Human, Communication, Organizational, Information) on Brand Equity Case Study: Hotels in IsfahanKaveh Ostad-Ali-Askari et al.The purpose of this study is to investigate the effect of evaluating the intangible factors (Human, Communication, Organizational and Information) on brand equity in hotels in Isfahan. A based research model was presented as the literature. The questionnaire of 24 items was conducted for this research and a sample of 130 executives and experts of hotels in Isfahan as a … …American Journal of Engineering and Applied Sciences, Vol. 14, Issue 3 · 1 Nov 2021 · 6,110 accessesView PDF Cite

Review ArticleOpen accessIn the author namesAssessment of Dust Event By RS, GIS, MODIS and Statistical Methods Among Satellite ImagesKaveh Ostad-Ali-Askari, Naimeh Rahimi, Parisa Ashrafi et al.Dust is an event that occurs in most sections of the world that leads to financial loss and harmful environmental impacts. Several factors are included in dust event incidence, some of them are natural and others are due to human processes and their impact on the environment. Thus, very critical situations are coming and it is expected that the majority … …American Journal of Engineering and Applied Sciences, Vol. 14, Issue 2 · 25 Jun 2021 · 6,704 accessesView PDF Cite

Research ArticleOpen accessIn the author namesInvestigation of Changes in the Structure of Isfahan City in Ancient Texture, IranParisa Ashrafi, Kaveh Ostad-Ali-Askari, Amir-Hossein Ashrafi et al.The structure of a city can be affected by many factors, such as environmental, economic, social, political, dominant intellectual parties and urban patterns of the world. Textural-spatial structure of the city is resultant of all forces that causes a settlement forms or constructed and has objective and subjective impressions. Development of the city had a descending and ascending trend, due … …American Journal of Engineering and Applied Sciences, Vol. 13, Issue 2 · 19 May 2020 · 7,260 accessesView PDF Cite