| CPC G06Q 50/08 (2013.01) [E02F 9/20 (2013.01); G06F 30/13 (2020.01); G06F 30/20 (2020.01); G06Q 10/06 (2013.01); G06Q 10/06313 (2013.01)] | 16 Claims |

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1. A simulation system comprising:
a memory; and
a processor coupled to the memory and configured to:
acquire current topography data indicating a current topography of a construction site,
acquire design topography data indicating a design topography of the construction site from the interface,
calculate construction amount data including a cut area and a cut amount on the current topography, and an embankment area and an embankment amount on the current topography, on the basis of the current topography and the design topography,
cause a display device to three-dimensionally display a cut region indicating a range to be cut and an embankment region indicating a range to be banked in different colors as the construction amount data,
cause the display device to display a standby place designation field to make the user designate whether there is any place where the haulage vehicle can stand by, and a stock soil amount designation field to designate a maximum stock amount at a time of accumulating earth and sand that have been cut or a maximum stock amount at a time of accumulating earth and sand for embankment,
acquire basic unit data selected by an input device, from a database of the basic unit data stored in the memory, the basic unit data including a type of each work machine and proficiency of each worker,
acquire construction condition data including construction procedures set by the input device,
simulate a topography of the construction site changed in accordance with construction progress every predetermined period, and an operation state of a work machine including an operation rate, on the basis of the basic unit data, the construction condition data, and the construction amount data,
generate display data of simulation results, display data of the current topography data and the design topography data in a superimposed manner, and display data of a three-dimensional display of the current topography data, the design topography data, and the construction amount data, displayable on the display device, and
output the generated display data every predetermined period to the output device, wherein the processor outputs the display data to the display device by using meshes as a plurality of blocks partitioned in accordance with mesh division designated by the user, and changes a position and a number of the blocks in the plurality of blocks in accordance with movement of earth and sand in a manner correlated to an elapsed time from a construction start time point to display moving image data of the topography of the construction site that is changed in accordance with progress of construction, to visualize change in the topography of the construction site,
wherein the user inputs a construction period having a start time point and a completion time point, and with this inputting, through simulation the operation state of the work machine every predetermined period during the construction period, the processor calculates an optimal number of work machines such that construction is completed during the construction period.
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