![Scientific and Technical Journal of Information Technologies, Mechanics and Optics](/images/mag-ntv.png)
FEATURES OF DIFFERENCE SCHEME WITH CUSTOMIZABLE DISSIPATIVE PROPERTIES IN CASE OF TWO-DIMENSIONAL GAS AND GAS-PARTICLE DYNAMICS PROBLEMS
![Scientific and Technical Journal of Information Technologies, Mechanics and Optics](/images/mag-ntv.png)
Annotation
Subject of Research.The paper presents testing results of difference scheme with customizable dissipative properties in the case of the two-dimensional problems for both gas dynamics and gas-suspensions mechanics. Method. The second order difference scheme is created with splitting of physical processes into two phases. The first phase uses the central difference, the scalar version of the nonlinear artificial viscosity limiters and semi implicit approximation of the interphase interactions. Reconstructions of TVD type are used at the second phase. Main Results. Testing was performed for problems with strong discontinuities when the shock waves interact with suspended particles. For illustrative test problems, the scheme with customizable dissipative properties has demonstrated a good quality of numerical solutions at the level of the WENO5 scheme with the ability to resolve fine details of the flow in case of multiple interactions of shock waves, contact discontinuities and rarefaction waves. Possible oscillations of the numerical solution in the proposed scheme are suppressed by setting its dissipative properties. Practical Relevance. The scheme with customizable dissipative properties is the basis for the development of applied software package as a justification tool for the attainable level of technical solutions with the use of the gas suspensions flows.
Keywords
Постоянный URL
Articles in current issue
- SKIN RESEARCH BY SCATTERING ELLIPSOMETRY
- BRAGG GRATINGS MULTIPUSLE INSCRIPTION EFFICIENCY DEPENDENCE ON ANGULAR POSITION OF ELLIPTICAL STRESS CLADDING IN BIREFRINGENT OPTICAL FIBERS
- DEVELOPMENT AND RESEARCH OF FIBER-OPTIC HYDROPHONE PROTECTIVE HOUSING
- METHOD AND TECHNOLOGY OF DELIVERING OPTICAL RADIATION TO BIOLOGICAL MICRO-OBJECTS
- LED DEVICE FOR PHOTODYNAMIC THERAPY OF ONYCHOMYCOSIS
- TRAJECTORY CONTROL FOR A ROBOT MOTION IN PRESENSE OF MOVING OBSTACLES
- TRACKING AND CLASSIFICATION OF HEAD MOVEMENT BY INERTIAL MEASUREMENT UNIT DATA
- NANOPARTICLES OF EXOTIC EPSILON-IRON OXIDE (III) AS THE WORKING ENVIRONMENT OF NANOMAGNETIC LOGIC DEVICES
- DETERMINATION OF ZONES WITH DIFFERENT CHEMICAL COMPOSITION ON REMOTE SURFACES
- SIMULATION OF INFRARED SPECTRA OF MEDICAL SUBSTANCES BY DIFFERENT QUANTUM MECHANICAL METHODS
- RESEARCH OF “WATER GLASS - GRAPHITE MICROPARTICLES” COMPOSITE MATERIAL BY THERMOGRAVIMETRY METHOD
- STUDY OF PLASMOCHEMICAL PROCESSING EFFECT ON THE PROPERTIES OF POLYMER FILMS BASED ON POLYVINYLCHLORIDE
- ORGANIZATION OF SIMULATION EXPERIMENTS IN THE DESIGN OF DISTRIBUTED COMPUTER SYSTEMS WITH REDUNDANT DATA TRANSMISSION
- METHOD FOR REAL TIME PROCESSING OF OPEN DATA CONTAINING GEOCONTEXT MARKUP
- COOPERATIVE INTERACTION OF EXPERT NETWORKS PARTICIPANTS: STATE-OF-THE ART ANALYSIS
- MULTI-STEP SERVICE OF REQUESTS CRITICAL TO QUEUEING DELAYS IN MULTI-TIER SYSTEMS
- STUDY OF ERRORS OF SOME METHODS FOR SEPARATING OVERLAPPED SPECTRAL LINES UNDER NOISE EFFECT
- DETECTION OF HYDRO-ACOUSTIC COMMUNICATION SIGNAL BY ENERGY ALGORITHM IN LOW FREQUENCY PASSIVE MODE
- FEATURES OF DIFFERENCE SCHEME WITH CUSTOMIZABLE DISSIPATIVE PROPERTIES IN CASE OF TWO-DIMENSIONAL GAS AND GAS-PARTICLE DYNAMICS PROBLEMS
- MODELING OF NON-PLATFORM INERTIAL NAVIGATION SYSTEM AS A COMPONENT OF AIRCRAFT NAVIGATION COMPUTER STAND
- SIMULATION OF CENTRIFUGAL PUMP IMPELLER WITH MAXIMUM CAVITATION EFFECT
- NUMERICAL SIMULATION OF REGULAR AND MACH REFLECTION OF SHOCK WAVE FROM THE WALL
- MODELS AND METHODS OF INFORMATION MANAGEMENT SUPPORT IN CASE OF FINANCE PLANNING
- GENERATION OF SPECTRAL DENSITY MATRICES FOR MULTICHANNEL CONTINUOUS SYSTEMS UNDER WHITE NOISE ACTION
- SEQUENCES OF DIFFERENTIAL INEQUALITIES FOR LYAPUNOV FUNCTIONS IN STABILITY ESTIMATES OF NONLINEAR DYNAMICAL SYSTEMS
- NEW ALGORITHM OF VARIABLE PARAMETERS IDENTIFICATION FOR LINEAR REGRESSION MODEL
- ON FLAME FRONT PROPAGATION RATE IN CYLINDRICAL TUBE WITH MULTIPOINT IGNITION BY STREAMER MICROWAVE DISCHARGE