76 results about "Fluid particle" patented technology

The invention relates to the cross technical field of fluid mechanics and machine learning, and discloses a particle fluid two-phase flow simulation and reverse optimization method based on deep learning. The method comprises the following steps: constructing a two-phase flow coupling simulation framework based on a fusion discrete element method and smoothed particle fluid dynamics; the drag force, buoyancy and capillary force between particles and fluid are introduced, and the calculation efficiency is improved through GPU parallel acceleration; a graph neural network is adopted to establish a particle-level dynamic interaction modeling framework, and coding and prediction of solid particles and fluid particles are independently processed; a differentiable reverse design system is further developed, and layout parameters of a flow control structure are dynamically optimized based on a gradient descent method by combining automatic differential characteristics of GNN and surrounding target functions such as flow collapse degree and centroid offset, so that effective suppression of two-phase flow destructive behaviors and system performance optimization are realized. The method has high-precision simulation and efficient optimization capabilities, and is suitable for complex two-phase flow engineering scenes such as dam burst and debris flow prevention and control.

A substrate support includes a main body portion having a substrate supporting surface and a back surface opposite to the substrate supporting surface, the main body portion having a through-hole extending from the back surface to the substrate supporting surface, an upper porous plug and a lower porous plug disposed in the through-hole, at least one of the upper porous plug or the lower porous plug being detachable from the main body, and a plurality of fluid particles filling a space between the upper porous plug and the lower porous plug in the through-hole. Each of the plurality of fluid particles is formed of an Si-containing material or a resinous material and an Si-containing coating on the resinous material.

The invention provides a semi-analytical MPM-DEM coupling numerical simulation method for interaction of debris flow and a structure, and relates to the field of geotechnical engineering disaster simulation. Taking the fine-grain slurry as a continuous medium, and discretizing by adopting MPM; meanwhile, spherical particles and clustered particles serve as solid phases, and DEM modeling is adopted; structures and boundaries are embedded into the computational domain in the form of rigid walls. Through grid-particle information exchange and two-way transmission of particle-grid coupling force, synchronous solution of fluid-solid multiphase coupling is realized. The fluid-solid contact force adopts a semi-analysis mode; the DEM particles and the DEM particle-wall contact are accurately calculated on the basis of a Hertz-Mindlin model, and the DEM particle-wall contact is accurately calculated on the basis of a Hertz-Mindlin model. According to the method, collaborative collision, blockage and impact mechanisms of block stones and floating woods in debris flow are truly represented, and the three-dimensional large-scale situation of million-level fluid mass points and million-level particles is simulated. The simulation result can output key indexes such as the stress time history, the impact peak value and the blockage rate of the structure, and a reliable numerical basis is provided for debris flow protection.

The invention discloses an alloy directional solidification dendritic crystal front pore capture behavior prediction method comprising the following steps: obtaining data, and obtaining a CA-FD-LB coupling model; updating the distribution state of fluid particles in the grid in real time, and marking or updating the gas phase according to the distribution state of the particles in the grid; the temperature gradient and the cooling speed are initialized, and meanwhile the temperature of the whole calculation area changes along with time; obtaining a liquid phase equilibrium component at a solid / liquid interface and a solid phase fraction increment of a solid / liquid grid in a time step, marking solid phase distribution in a calculation area, and calculating a concentration field and solute redistribution; calculating the fluid-solid interaction between the bubbles and the solid phase; judging whether a calculation ending condition is met or not, if yes, ending calculation, and performing data visualization processing; otherwise, returning to the step 2, and starting calculation of the next time step. According to the method, the microscopic structure evolution process can be observed in real time while the calculation efficiency is high, and information is quantified.

The application discloses a metallogenic fluid main channel inference model based on particle filtering. The model comprises the following steps: collecting relevant data of a target deposit, establishing an inference database, and defining a state sequence of spatial discrete elements; performing statistics on ore-bearing elements known in all exploration information, taking the known ore-bearing elements as an initial particle group of particle filtering, and generating a spatial channel path of each particle; establishing a metallogenic fluid ion state transfer model coupled with probability and velocity according to the spatial position of the particle and fluid dynamics; establishing a particle weight observation model based on a particle state transfer likelihood function, and dynamically updating the weight of the fluid particle; performing spatial sampling on the particle through a resampling algorithm, updating the weight particle, and outputting a maximum posterior probability path through particle number threshold judgment. The model combines multivariate data constraint and particle filtering algorithm to dynamically estimate the main channel path of the metallogenic fluid in a three-dimensional geological space, and fundamentally solves the problems of high cost and difficult sampling sample acquisition of the traditional method.

The application discloses a bridge scour simulation and boundary setting method for SPH water-sand two-phase flow, and comprises the following steps: model construction, including setting a bed sand layer area range and defining an inlet and outlet boundary area range; particle construction, including setting fluid particles and bed sand particles of a flow field area based on a multiphase flow theory, setting soil yield strength based on a HBP model and introducing a DP yield criterion, initializing inlet and outlet boundary particle parameters, setting particle type identification, and setting particle position identification; N-S control equation solving, obtaining corresponding flow force parameter results; entering a sediment solving module, including sediment particle conversion and viscosity updating calculation; entering an inlet and outlet boundary updating module, including inlet and outlet particle position retrieval, particle type conversion, and particle supplement and deletion; completing a calculation cycle and entering the next cycle; through secondary development based on the SPH multiphase flow theory, the application can realize numerical simulation of foundation local scour by applying the inlet and outlet boundaries to the multiphase flow model and introducing various structure and state models.

The application relates to a fluid simulation method and device, and relates to the technical field of computer graphics. The method comprises the following steps: setting one or more disturbance packages in a space where a fluid object is located, each of the one or more disturbance packages comprising at least one fluid particle, and the initial velocities of the fluid particles in the same disturbance package being the same; and updating the initial velocities of fluid particles outside the one or more disturbance packages according to the gravitational action of the fluid particles in the one or more disturbance packages on the fluid particles outside the one or more disturbance packages.

The present invention discloses a method for simulating weakly compressible fluid smooth particles based on particle position correction, comprising the following steps: 1. Smooth particle modeling of weakly compressible fluid; 2. Smooth particle position correction; 3. Using a computer to input the corrected position vector of the i-th particle, and using a position-based Verlet algorithm to perform time iteration on each particle in the SPH particle model to obtain an updated particle flow field distribution; and 4. Obtaining fluid state parameters from the updated particle flow field distribution. The method of the present invention has simple steps and a reasonable design. By correcting the position of fluid particles, a uniform distribution of simulated particles is achieved without introducing physical parameters, resulting in better applicability to complex flows and improved stability and accuracy of subsequent simulation calculations.

The application discloses a kind of SPH steady flow processing method and related equipment, method includes the input entrance pressure data is converted into entrance speed data;Entrance speed data is based on setting virtual particle;And the data information of fluid particle is updated by the interaction between virtual particle and the fluid particle to be processed, and fluid particle data is judged based on setting parameter threshold, and the particle field information of output is obtained.The application embodiment can be converted into entrance speed data by the entrance pressure data, and virtual particle is set to simulate fluid particle, reduce the speed shock and data noise caused by particle simulation calculation based on entrance pressure, reduce the accumulation of entrance particle simultaneously, improve the stability of entrance boundary, so as to improve the convergence speed and processing efficiency of steady flow simulation.The application can be widely applied in computer simulation and data processing technical field.

Fluid simulation methods and apparatuses, relating to the technical field of computer graphics. A method comprises: providing one or more perturbation packets in a space where a fluid object is located, wherein each of the one or more perturbation packets comprises at least one fluid particle, and the initial velocities of fluid particles in the same perturbation packet are the same; and, on the basis of the attractive effect of fluid particles in the one or more perturbation packets on fluid particles outside the one or more perturbation packets, updating the initial velocities of the fluid particles outside the one or more perturbation packets.

The invention relates to the technical field of computational fluid mechanics, in particular to a method for simulating the freezing process of a liquid drop impacting a cold surface. According to the specific technical scheme, migration calculation is conducted through an obtained distribution function; according to the mass distribution function and the energy distribution function, calculating a macroscopic physical quantity in the flow field, and calculating the pressure intensity and the pseudo potential energy of the fluid; the pseudo potential energy of the virtual fluid is calculated, and the interaction force between fluid particles and the interaction force between the fluid particles and the solid wall surface are calculated; calculating a real macroscopic velocity, an enthalpy value and a solid-phase volume fraction of the fluid, and a collision term, an acting force source phase and a heat source term of a distribution function; performing collision calculation on the mass distribution function and the energy distribution function, judging whether a convergence condition or a preset number of iterations is reached, and outputting a calculation result if the convergence condition or the preset number of iterations is reached; otherwise, continuing to execute the iteration process. According to the invention, a means can be provided for exploring freezing characteristics and mechanisms of impact of tiny liquid drops on a low-temperature surface, and a thought is provided for design and development of an anti-icing surface.

An improved and more efficient three-dimensional flow high-pressure fan has a hub (4) with a wheel disk (6) fixed to the outer edge of the rear side. The hub (4) extends forward along the axial direction. Main blades (7) are fixed radially and evenly around the front side of the wheel disk (6), and thrust blades (8) are fixed radially and evenly around the rear side of the wheel disk (6). The main blades (7) are three-dimensional twisted three-dimensional flow blades, and the thrust blades (8) are straight blades. A small-volume three-dimensional flow impeller design is adopted to fully adapt to the flow characteristics of the gas in the impeller, reduce flow losses, and achieve a larger gas flow and pressure per unit volume by increasing the rotational speed. Static pressure growth is stable, and the fan operates with low noise. It can also control the velocity distribution of all fluid particles inside, obtain the best flow state inside the impeller, and enhance the stable operation capability of the product in an environment of -30℃ to 50℃. The fan diameter can be reduced by 5%, significantly reducing the weight of the equipment. The energy efficiency is significant, with energy saving effect reaching 80%. Maintenance is convenient, and damaged parts can be quickly replaced, reducing maintenance costs.

The application provides a semi-analytical MPM-DEM coupling numerical simulation method for interaction between debris flow and structures, and relates to the field of geotechnical engineering disaster simulation; fine-grained mud is taken as a continuous medium, and MPM is used for discretization; meanwhile, spherical particles and cluster particles are taken as solid phases, and DEM is used for modeling; structures and boundaries are embedded in the calculation domain in the form of rigid walls. Through grid-particle information exchange and two-way transmission of particle-grid coupling forces, synchronous solution of fluid-solid multiphase coupling is realized. The flow-solid contact force is in a semi-analytical mode; the contact between DEM particles and the contact between DEM particles and walls are accurately calculated based on the Hertz-Mindlin model. The method truly reproduces the collaborative collision, blockage and impact mechanism of boulders and driftwood in the debris flow, and simulates the three-dimensional large-scale situation of millions of fluid particles and ten thousand particles. The simulation results can output key indexes such as the stress time history of the structure, the impact peak value and the blockage rate, thereby providing a reliable numerical basis for debris flow protection.

The invention relates to the technical field of fluid-solid coupling calculation, and provides a fluid-solid coupling calculation method, device and method based on MPS-PD, and the method comprises the steps: respectively generating initial particles in fluid and solid initial regions according to a fluid-solid coupling problem, and endowing the particles with corresponding physical quantities and initial conditions; dividing a particle region, and associating other particles in the influence region; mPS calculation is carried out on all the particles at the same time, and the acceleration of the fluid particles in the next time step is solved; carrying out PD calculation on the solid particles to obtain the acceleration of the solid particles at the next moment; updating the speed and displacement of the next particle according to the obtained accelerations of the two particles; and checking whether an overflow calculation region exists between the particles and whether the calculation time exceeds the total time, and performing calculation of the next time step until a stop condition is met. According to the method, the MPS method and the PD method are combined for application, the advantages of the two methods in fluid and solid are exerted, and the accuracy of fluid-solid coupling calculation is improved.

The present disclosure provides a dynamic fluid effect processing method and device, electronic equipment and readable medium, and relates to the technical field of computers. The method comprises: displaying a first object and a fluid in a user display interface; obtaining the position of each model particle in the object model corresponding to the first object; obtaining the position of each fluid particle corresponding to the fluid; when the first object collides with the fluid, for each fluid particle, adjusting the position of the fluid particle according to the position of the model particle colliding with the fluid particle, to dynamically display the motion change of the fluid in the user display interface. The technical scheme provided by the present disclosure adjusts the position of the fluid particle according to the position of the model particle colliding with the fluid particle when the first object collides with the fluid, without calculating the SDF of the first object, simplifying the calculation process and being able to present the motion change effect of the fluid in real time on a mobile terminal.

To provide a simulator allowed to suppress the lowering in accuracy of simulation even where an object has a curved surface.SOLUTION: A simulator comprises: an input section that inputs a simulation condition including information representative of a shape and position of an object arranged in an analysis space and fluid flowing in the analysis space and initial and boundary conditions; a processing section that defines a plurality of secondary curved-surface elements to reproduce a surface of the object, arranges a plurality of fluid particles representative of the fluid in the analysis space and calculates the shortest distance from respective ones of the plurality of fluid particles to the secondary curved-surface elements and furthermore calculates, on the respective ones of the plurality of fluid particles, a force to undergo from the surface of the object based on a calculation value of the shortest distance and determines a behavior of the plurality of fluid particles based on the force calculated; and an output section that information reflecting the behavior of the plurality of fluid particles is outputted.SELECTED DRAWING: Figure 7

A fluid-structure interaction (FSI) simulation method for submerged boundaries based on the material point method and positional dynamics includes: a) solving for the solid state and calculating the Lagrangian elastic force of the solid; b) transferring the elastic force of the solid Lagrangian mesh vertices to the Eulerian background mesh; c) solving the Navier-Stokes fluid control equations and continuity equations on the Eulerian background mesh, feeding back the updated mesh flow field information to the particles, and updating the particle state synchronously; d) using a mapping matrix to map the positions of solid particles back to the vertices of the solid Lagrangian mesh, saving the vertex position data and fluid particle data for rendering output. This invention, through the above-mentioned hybrid Lagrangian-Eulerian perspective coupling solution, can realistically simulate the bidirectional coupling between solids of different materials and complex fluids, significantly improving the physical realism and visual fidelity of the simulation scene.

The utility model relates to a gas flow particulate pollutant detector. When the concentration of solid particulate matters in gas is measured in the prior art, as the particulate matters sink under the action of gravity, the measured numerical value of particulate pollutants has errors. A mixing pipe section (1) is located at the gas inlet end of the gas fluid particle pollutant detector, the mixing pipe section (1), a detection pipe section (3) and a pressure reduction pipe section (4) are sequentially connected, and a detection probe (2) is inserted into the detection pipe section (3) through a detection element (2A); a group of turbulent flow blades (1B) of the mixing pipe section (1) are uniformly distributed in the circumferential direction of the cylinder wall of the mixing pipe cylinder (1A), each turbulent flow blade (1B) is rotationally mounted on the inner wall of the mixing pipe cylinder (1A), and the angle of the plane where the blade surface of each turbulent flow blade (1B) is located is the same as the included angle between the plane where the cross section of the mixing pipe section (1) is located and is 20-70 degrees. According to the utility model, the detection precision is improved by uniformly stirring particles in the gas to be detected and the gas.

The invention relates to the technical field of multi-phase fluid separation, in particular to a multi-phase fluid separation system based on a fractal distributor and a micro cyclone matrix, which comprises a fractal distribution module for distributing the flow of a multi-phase fluid through a multi-stage branch network; the rotational flow matrix module is used for carrying out centrifugal separation treatment through serial / parallel arrangement between a hydrocyclone and a spiral separator; the intelligent regulation and control module is used for determining a control instruction of the rotational flow matrix module through a CFD physical model and an LSTM prediction model; and the self-adaptive feedback module is used for monitoring the fluid particle concentration of an actual separation product pipeline through the ultrasonic optical sensor array, and determining a corresponding response result according to a comparison result of the fluid particle concentration and a preset particle concentration threshold range. According to the multi-phase fluid distributor, highly uniform distribution of multi-phase fluid can be realized, uneven flow and formation of a dead zone are effectively avoided, and stable and consistent feeding conditions are provided for subsequent cyclone separation.

The invention provides a refrigerating fluid and a preparation method thereof, and a freezing method of meat products, and relates to the technical field of preservation methods of meat products, the refrigerating fluid comprises 10% (w / v) of food-grade sodium acetate, 4% (w / v) of food-grade sodium lactate, 5% (w / v) of pharmaceutical-grade propylene glycol, 2% (w / v) of sodium dehydroacetate, 1% (w / v) of sodium tin citrate, 0.5% (w / v) of natural bioactive antibacterial peptide, 3% (w / v) of food-grade potassium acetate, and RO ultrapure water: 100%. Comprising the following steps: S1, adding RO ultrapure water into a container, and gradually adding required components under a stirring condition; and S2, adjusting the pH value of the solution to 4.0-5.5. According to the refrigerating fluid, the preparation method thereof and the refrigerating method of the meat product, refrigerating fluid particles are uniformly distributed and cover the surface of the meat product without dead angles; and in cooperation with multiple innovative means such as ultralow-temperature quick freezing and layered freezing, ice crystal control and microcapsule inhibitor release, the cooling rate can be accurately controlled in each freezing stage.

The present invention relates to the field of numerical simulation technology, and specifically discloses a method for calculating motor power taking into account changes in the state of liquid solidified soil mixing, comprising the following steps: first determining the liquid viscosity curve of the liquid solidified soil under different mixing states; then constructing the particle motion control equation of the moving particle semi-implicit method MPS; calculating the particle number density; discretizing the particle motion control equation, and calculating the pressure of the fluid particles under different viscosity conditions; establishing an MPS model for liquid solidified soil mixing, monitoring the pressure of the liquid solidified soil particles acting on the solid particles on the mixing blades, and calculating the force of the liquid solidified soil particles on the solid particles of the blades and the torque of the mixing shaft; obtaining the working torque of the motor through the calculation formula of torque and force, and finally obtaining the motor power. The present invention adopts the above-mentioned method for calculating motor power taking into account changes in the state of liquid solidified soil mixing, which can achieve efficient matching between the mixing state of fluid solidified soil and the change in the power of the mixing motor.

The present invention relates to the technical field of computational fluid dynamics, and specifically to a method for simulating the freezing process of a droplet impacting a cold surface. The specific technical solution is: using the obtained distribution function to perform migration calculations; calculating the macroscopic physical quantities in the flow field based on the mass distribution function and the energy distribution function, and calculating the pressure and pseudo-potential energy of the fluid; calculating the pseudo-potential energy of the virtual fluid, and calculating the interaction forces between fluid particles and the interaction forces between fluid particles and solid walls; calculating the real macroscopic velocity, enthalpy value and solid phase volume fraction of the fluid, the collision term of the distribution function, the force source phase, and the heat source term; performing collision calculations on the mass distribution function and the energy distribution function, and judging whether the convergence condition or the preset number of iterations is met, and outputting the calculation results if it is met; otherwise, continuing the iterative process. The present invention can provide a means for exploring the freezing characteristics and mechanisms of tiny droplets impacting low-temperature surfaces, and provide ideas for the design and development of anti-icing surfaces.

The invention provides a micro-channel fluid simulation method and system, and the method comprises the steps: constructing a D2Q9 model through a lattice Boltzmann method according to a to-be-simulated micro-channel geometric structure, setting basic parameters of the D2Q9 model, and initializing distribution functions of a flow field, a temperature field and a phase field and a corresponding equilibrium state distribution function; respectively executing collision and propagation operations on distribution functions of a flow field, a temperature field and a phase field based on a single relaxation lattice Boltzmann method, and simulating movement among fluid particles, energy transmission and evolution of a two-phase interface; setting boundary conditions of the D2Q9 model, and calculating a macroscopic physical quantity representation simulation result of the fluid at each moment according to an evolution result of each distribution function after collision propagation; and when the D2Q9 model meets a preset simulation termination condition, outputting a D2Q9 model simulation result in a standard data format. According to the scheme, the accuracy of micro-channel internal flow simulation can be improved, and the simulation calculation efficiency is guaranteed.

A direct contact spray refrigeration system (200) includes a refrigeration tower (204) having an interior chamber (208) in which bulk product is delivered in the form of droplets that fall vertically into the interior chamber (208) of the refrigeration tower (204). A coolant fluid capable of contacting and directly freezing the droplets within the interior chamber (208) is also delivered, wherein the droplets are converted into frozen particles collected at the lowermost portion of the column (204). The coolant fluid is delivered in the form of a supercooled cryogenic mist made up of coolant fluid particles through which the droplets vertically pass, and wherein each of the coolant fluid particles is substantially smaller than the droplets delivered to the inner chamber (208) of the freezing compartment, in this way, the structural integrity of the formed droplets is maintained, and the vertical falling trajectory of these droplets is not significantly affected during freezing.

The application provides a GPU fluid simulation method for real-time interactive application, and relates to the technical field of fluid simulation. The method first uses a particle system to emit a large number of particles, calculates fluid particle positions using a position-based fluid particle simulation algorithm, updates the motion state of the particles, then obtains a smooth fluid surface according to the particle positions through screen space processing, and finally uses a realistic rendering method to color the fluid surface to obtain a water body image. Since the state update of the large number of particles and the pixel-level calculation of the screen space are both large-scale parallel calculations, they are suitable for GPU processing, so all the calculation processes involved in the method are run on the GPU end. The method can be widely applied to various demand scenarios in the fields of industrial simulation and electronic games.

The present disclosure provides a method, apparatus, electronic device and readable medium for processing dynamic fluid effects, relating to the field of computer technology. The method includes: starting at least two threads, where each thread corresponds to a part of the fluid particles of the fluid, and the fluid particles corresponding to different threads are different; when the fluid is subjected to an external force, through at least two threads, parallelly adjusting the positions of the fluid particles corresponding to each thread respectively, so as to dynamically display the movement and change of the fluid on the user display interface. The technical solution provided by the present disclosure improves the calculation speed by calculating the positions of the fluid particles in parallel through at least two threads, enabling the mobile terminal to display the movement and change of the fluid in real time.

The present invention discloses a method, system, electronic device, and storage medium for processing fluid particles near a solid wall boundary. The method obtains the fluid particles to be processed and their corresponding solid wall boundaries, determines a search domain based on the determined solid wall boundaries, searches based on the fluid particles to be processed and the determined search domain, and determines a neighborhood particle set; then, based on the fluid particles to be processed and each particle in the neighborhood particle set, calculates the interaction force between each neighborhood particle and the fluid particles to be processed; processes the interaction force between each neighborhood particle and the fluid particles to be processed to obtain a target force resultant; and by calculating the force between the neighborhood particles and the particles to be processed and superimposing the forces between the particles, the fluid particles are brought closer to the boundary, the boundary gap is reduced, and the simulation accuracy is improved. The embodiments of the present invention can be widely applied in the field of simulation technology.

A method of tracking fluid in a conduit includes converting a volume of the conduit to an equivalent fluid particle count and discretizing a fluid flow in the conduit into discrete, quantifiable fluid particles based on a resolution of a sensor assembly connected to an exit of the conduit. The method includes recording entry timestamps for each of the fluid particles upon passing an entrance to the conduit. A real-time movement of each of the fluid particles between the entrance of the conduit and an exit of the conduit is determined, and an analyte measurement for each of the fluid particles is determined. A transit time for each of the fluid particles is determined and displayed along with the analyte measurement for each of the fluid particles.

The present application discloses a method and device for fluid-solid coupling analysis of slender beams based on the finite particle method and SPH. The structure is discretized into beam particles, the slender beam is simulated by a two-dimensional beam unit, the fluid is simulated by an SPH particle, the pressure transmission of the coupling interface is simulated by a transmission unit, and the displacement coordination of the coupling interface is simulated by a coupling unit. The finite particle method is used for dynamic analysis, and the pure deformation and rigid body displacement of the two-dimensional beam unit are separated by virtual reverse motion, and then the internal force increment of the plane beam unit is calculated; the SPH calculation fluid model is used to give the discrete format of the fluid control equation, the tensile stability control method based on the Shepard Filter and particle displacement correction technology, and the frog leap time integration scheme; the FPM-SPH interface coupling scheme is proposed, the coupling interface particle arrangement method is given, the physical quantity correspondence between the beam particles and the fluid particles at the interface is established, and a two-dimensional beam fluid-solid coupling analysis framework is built. The present application is simple and efficient in calculation, and improves the deficiencies of existing research.

A fluidic microsystem 100 for manipulating particles 1, 2, 3, for example biological cells, comprises a fluidic channel arrangement 10 configured to receive a flow of a fluid 4 with a flow direction S in which the particles 1, 2, 3 are arranged, and which successively includes in the flow direction S a first analysis section 11A, a first actuator section 12A and a second analysis section 11B, a detector device 20 with a field of view 21 covering the first analysis section 11A and the second analysis section 11B, wherein the detector device 20 is configured for radiation-based detection of at least one particle property of each of the particles 1, 2, 3 in the first analysis section 11A and in the second analysis section 11B, and an actuator device 30 configured to subject each of the particles 1, 2, 3 in the first actuator section 12A to a first actuator step.in particular, comprising at least one of the following: the application of a trigger action, the performance of a measurement, and the application of an actuating force. The fluidic channel arrangement 10 has a reversing section 13 with a first leg 13A, a reversing curve, and a second leg 13B, wherein the first analysis section 11A is arranged in the first leg 13A and the second analysis section 11B is arranged in the second leg 13B adjacent to the first analysis section 11A with respect to a direction transverse to the flow direction S. A particle manipulation method for manipulating particles 1, 2, 3 in a fluidic microsystem is also described.