This research refers to the analysis and prediction of rockfall risk,whose objective is to determine the results of the validation of the model and application of modeling in the Rocfall Software,in this way to prepar...This research refers to the analysis and prediction of rockfall risk,whose objective is to determine the results of the validation of the model and application of modeling in the Rocfall Software,in this way to prepare the map of risk areas.Likewise,the general problem was identified:What are the results of the analysis and prediction of risks from rockfall in the city of Huancavelica?To respond to the problem posed,the following steps were carried out:obtaining field information with Drone equipment and using photogrammetric processes the topography of the study area was obtained,identification of unstable areas,trajectories,traces of the previously occurred landslides and five geomechanical stations.The specific weight of eight rock samples in the laboratory of the National University of Huancavelica was also calculated,which served to obtain the weight of the large-scale rock blocks.In addition,the normal and tangential restitution coefficients were calibrated,that is,field trials.Once the data were obtained,modeling was carried out by applying the Rocfall software,whose results of ten trajectories were:final distance reached,bounce height,kinetic energy and translational speed.With these values,risk maps have been prepared,taking into account the areas of housing vulnerability in the city of Huancavelica.Finally,it is proposed to mitigate these risks of rockfall,with dynamic barriers,which is important for the security of housing in the analysis sectors.展开更多
The HGM(Hydraulic Gradient Method),it is used in most of the current commercial software,such as EPANET,WaterCAD,MikeNet,among others,the same that corresponds to an iterative method that depends on initial estimated ...The HGM(Hydraulic Gradient Method),it is used in most of the current commercial software,such as EPANET,WaterCAD,MikeNet,among others,the same that corresponds to an iterative method that depends on initial estimated parameters and programming structures that ensure convergence to obtain results with the highest precision,in addition to this the method makes use of non-linear equation systems.Likewise,the execution time for large extensions of water distribution networks is considerably high.On the other hand,the PM(Perturbation Method),is a new direct solution method,which makes use of principles of quantum mechanics to transform nonlinear equations into simpler linear systems.Obtaining a simple and robust optimization method that only requires simple and direct mathematical processes.Using the MathCad and Python programming languages as a verification tool,multiple tests were carried out,the results for the hydraulic parameters showing that the flow rates and pressures obtained by the HGM and the PM are extremely similar,in the same way the execution time(time run)have been 77.09%favorable to the PM.In other words,the PM presents efficiency to estimate the hydraulic characteristics such as the pressures at the nodes and the velocities in the pipes of the drinking water distribution networks.展开更多
文摘This research refers to the analysis and prediction of rockfall risk,whose objective is to determine the results of the validation of the model and application of modeling in the Rocfall Software,in this way to prepare the map of risk areas.Likewise,the general problem was identified:What are the results of the analysis and prediction of risks from rockfall in the city of Huancavelica?To respond to the problem posed,the following steps were carried out:obtaining field information with Drone equipment and using photogrammetric processes the topography of the study area was obtained,identification of unstable areas,trajectories,traces of the previously occurred landslides and five geomechanical stations.The specific weight of eight rock samples in the laboratory of the National University of Huancavelica was also calculated,which served to obtain the weight of the large-scale rock blocks.In addition,the normal and tangential restitution coefficients were calibrated,that is,field trials.Once the data were obtained,modeling was carried out by applying the Rocfall software,whose results of ten trajectories were:final distance reached,bounce height,kinetic energy and translational speed.With these values,risk maps have been prepared,taking into account the areas of housing vulnerability in the city of Huancavelica.Finally,it is proposed to mitigate these risks of rockfall,with dynamic barriers,which is important for the security of housing in the analysis sectors.
文摘The HGM(Hydraulic Gradient Method),it is used in most of the current commercial software,such as EPANET,WaterCAD,MikeNet,among others,the same that corresponds to an iterative method that depends on initial estimated parameters and programming structures that ensure convergence to obtain results with the highest precision,in addition to this the method makes use of non-linear equation systems.Likewise,the execution time for large extensions of water distribution networks is considerably high.On the other hand,the PM(Perturbation Method),is a new direct solution method,which makes use of principles of quantum mechanics to transform nonlinear equations into simpler linear systems.Obtaining a simple and robust optimization method that only requires simple and direct mathematical processes.Using the MathCad and Python programming languages as a verification tool,multiple tests were carried out,the results for the hydraulic parameters showing that the flow rates and pressures obtained by the HGM and the PM are extremely similar,in the same way the execution time(time run)have been 77.09%favorable to the PM.In other words,the PM presents efficiency to estimate the hydraulic characteristics such as the pressures at the nodes and the velocities in the pipes of the drinking water distribution networks.
