2results about How to "Flexible simulation" patented technology

The invention belongs to the technical field of petroleum engineering well cementation, and particularly relates to a well cementation interface pressure monitoring device and method. The first short section is connected with the inner sleeve; the second short section is connected with the outer sleeve; a cement sheath is poured between the inner sleeve and the outer sleeve; the first short section is used for monitoring the pressure of an interface between the inner sleeve and the cement sheath; the second short section is used for monitoring the second interface pressure between the outer sleeve and the cement sheath; a first monitoring module is installed on the inner wall of the first short section. A second monitoring module is installed on the outer wall of the second short section. The first monitoring module makes contact with one interface of the cement sheath. The second monitoring module is in contact with the second interface of the cement sheath; a data correction module is mounted at the wellhead; the data correction module is in signal connection with the first monitoring module and the second monitoring module. The first monitoring module makes contact with the first interface of the cement sheath, the second monitoring module makes contact with the second interface of the cement sheath, the pressure of the first interface and the pressure of the second interface are monitored in real time, and the real bonding strength of the underground interface is judged.

The application discloses a general geometric random channel modeling method for indoor optical wireless communication, and belongs to the field of wireless communication channel modeling. The method comprises the following steps: setting scene layout and frequency band related parameters; generating object reflection cluster birth-death process matrix and random numbers for controlling blocking effect and propagation component classification; initializing scattering clusters and scattering bodies in the clusters; updating and calculating model parameters changing with space and time; calculating light source radiation intensity, object reflection and particle scattering power distribution, and equivalent reflection coefficient; calculating sub-channel impulse response, judging whether the propagation component exists or not, and generating final channel impulse response. The general indoor optical wireless communication geometric random channel modeling method can depict common characteristics of optical wireless frequency bands and unique characteristics of infrared light, visible light and ultraviolet light frequency bands. Through setting corresponding parameters, the established model can support different frequency bands and can be flexibly used for simulation and performance evaluation of a 6G indoor optical wireless communication system.