GT-Power排气噪音测量，POWER仿真过程问题求教

luojian870825

                    VOLEF   IMEP    Pmax     Ieff   REScs FAeff
     Cylinder01:    0.686    7.13   31.57    35.6   6.6   0.0550
     Cylinder02:    0.684    7.08   31.49    35.5   6.7   0.0550
     Cylinder03:    0.681    7.11   31.35    35.8   6.5   0.0550
     Cylinder04:    0.685    7.16   31.44    35.9   6.3   0.0550
     Cylinder05:    0.681    7.08   31.39    35.7   6.6   0.0550
     Cylinder06:    0.682    7.10   31.36    35.7   6.5   0.0550
     Cylinder07:    0.691    7.23   31.80    35.9   6.3   0.0550
     Cylinder08:    0.694    7.29   31.90    36.0   6.2   0.0550
     ENGINE: IMEP =      7.15 bar, VOLEF = 0.686 VOLEFm = 0.686

    FLOW CONVERGENCE:
    YES     Mass  dfmax (%) =     0.1924 at con : 1
     NO     Pres. dpmax (%) =     5.0188 at cmp : P800-7
    MECH CONVERGENCE:
     NO     Torq. dTqmx (%) =     5.1636 at cmp : Engine
    Timesteps/cycle=5635, average time step =    0.128 deg

*WARN:Number of points to FFT exceeds maximum dimension for AEM
      after being interpolated onto the next higher power of 2 data points.
      Analysis will be performed on next lowest power of 2 data points.
      This can cause mild aliasing if the data contains frequency content
      near the Nyquist frequency
INFO Number of requested harmonics exceeds maximum of  500
      for object AEM
      Output data will be clipped at  500 harmonics
      which corresponds to a frequency of  2462.24 Hz

MAIN DRIVER: Case# 1  Period# 24  Freq/RPM=9.84257 590.554  Time=6.32519


*WARN:Caution: IVC occurs after "Start of Cycle" specified in EngineCrankTrain
      IVC:  -137.Start of Cycle:  -360.       
      Some RLTs are calculated at the Start of Cycle, which is assumed to be
      after IVC and may not accurately reflect the real simulations results.
                    VOLEF   IMEP    Pmax     Ieff   REScs FAeff
     Cylinder01:    0.685    7.12   31.53    35.6   6.6   0.0550
     Cylinder02:    0.683    7.06   31.46    35.5   6.7   0.0550
     Cylinder03:    0.679    7.09   31.28    35.8   6.5   0.0550
     Cylinder04:    0.684    7.15   31.39    35.8   6.4   0.0550
     Cylinder05:    0.680    7.07   31.34    35.7   6.7   0.0550
     Cylinder06:    0.681    7.08   31.30    35.7   6.5   0.0550
     Cylinder07:    0.691    7.22   31.76    35.8   6.3   0.0550
     Cylinder08:    0.693    7.27   31.84    36.0   6.2   0.0550
     ENGINE: IMEP =      7.13 bar, VOLEF = 0.684 VOLEFm = 0.684

    FLOW CONVERGENCE:
    YES     Mass  dfmax (%) =     0.1865 at con : 2
     NO     Pres. dpmax (%) =     3.3312 at cmp : P800-7
    MECH CONVERGENCE:
     NO     Torq. dTqmx (%) =     4.1949 at cmp : Engine
    Timesteps/cycle=5620, average time step =    0.128 deg

*WARN:Number of points to FFT exceeds maximum dimension for AEM
      after being interpolated onto the next higher power of 2 data points.
      Analysis will be performed on next lowest power of 2 data points.
      This can cause mild aliasing if the data contains frequency content
      near the Nyquist frequency
INFO Number of requested harmonics exceeds maximum of  500
      for object AEM
      Output data will be clipped at  500 harmonics
      which corresponds to a frequency of  2469.33 Hz

MAIN DRIVER: Case# 1  Period# 25  Freq/RPM=9.86836 592.102  Time=6.5277


*WARN:Caution: IVC occurs after "Start of Cycle" specified in EngineCrankTrain
      IVC:  -137.Start of Cycle:  -360.
      Some RLTs are calculated at the Start of Cycle, which is assumed to be
      after IVC and may not accurately reflect the real simulations results.
                    VOLEF   IMEP    Pmax     Ieff   REScs FAeff
     Cylinder01:    0.684    7.11   31.49    35.6   6.6   0.0550
     Cylinder02:    0.682    7.05   31.43    35.5   6.7   0.0550
     Cylinder03:    0.678    7.08   31.23    35.8   6.5   0.0550
     Cylinder04:    0.683    7.14   31.36    35.8   6.4   0.0550
     Cylinder05:    0.679    7.05   31.30    35.6   6.7   0.0550
     Cylinder06:    0.680    7.07   31.25    35.7   6.6   0.0550
     Cylinder07:    0.690    7.21   31.72    35.8   6.3   0.0550
     Cylinder08:    0.692    7.26   31.80    36.0   6.2   0.0550
     ENGINE: IMEP =      7.12 bar, VOLEF = 0.684 VOLEFm = 0.684

    FLOW CONVERGENCE:
    YES     Mass  dfmax (%) =     0.1232 at con : 69
     NO     Pres. dpmax (%) =     1.8501 at cmp : P800-8
    MECH CONVERGENCE:
     NO     Torq. dTqmx (%) =     3.4108 at cmp : Engine
    Timesteps/cycle=5606, average time step =    0.128 deg

*WARN:Number of points to FFT exceeds maximum dimension for AEM
      after being interpolated onto the next higher power of 2 data points.
      Analysis will be performed on next lowest power of 2 data points.
      This can cause mild aliasing if the data contains frequency content
      near the Nyquist frequency
INFO Number of requested harmonics exceeds maximum of  500
      for object AEM
      Output data will be clipped at  500 harmonics
      which corresponds to a frequency of  2475.17 Hz

MAIN DRIVER: Case# 1  Period# 26  Freq/RPM=9.88927 593.356  Time=6.72974


*WARN:Caution: IVC occurs after "Start of Cycle" specified in EngineCrankTrain
      IVC:  -137.Start of Cycle:  -360.
      Some RLTs are calculated at the Start of Cycle, which is assumed to be
      after IVC and may not accurately reflect the real simulations results.
                    VOLEF   IMEP    Pmax     Ieff   REScs FAeff
     Cylinder01:    0.683    7.10   31.46    35.6   6.6   0.0550
     Cylinder02:    0.682    7.04   31.40    35.4   6.7   0.0550
     Cylinder03:    0.678    7.06   31.18    35.8   6.5   0.0550
     Cylinder04:    0.682    7.13   31.33    35.8   6.4   0.0550
     Cylinder05:    0.678    7.04   31.26    35.6   6.7   0.0550
     Cylinder06:    0.679    7.06   31.21    35.7   6.6   0.0550
     Cylinder07:    0.689    7.20   31.70    35.8   6.3   0.0550
     Cylinder08:    0.692    7.25   31.76    35.9   6.2   0.0550
     ENGINE: IMEP =      7.11 bar, VOLEF = 0.683 VOLEFm = 0.683

    FLOW CONVERGENCE:
    YES     Mass  dfmax (%) =     0.1085 at con : P2-7
     NO     Pres. dpmax (%) =     6.1806 at cmp : P800-13
    MECH CONVERGENCE:
     NO     Torq. dTqmx (%) =     2.7851 at cmp : Engine
    Timesteps/cycle=5598, average time step =    0.129 deg

*WARN:Number of points to FFT exceeds maximum dimension for AEM
      after being interpolated onto the next higher power of 2 data points.
      Analysis will be performed on next lowest power of 2 data points.
      This can cause mild aliasing if the data contains frequency content
      near the Nyquist frequency
INFO Number of requested harmonics exceeds maximum of  500
      for object AEM
      Output data will be clipped at  500 harmonics
      which corresponds to a frequency of  2479.84 Hz

MAIN DRIVER: Case# 1  Period# 27  Freq/RPM=9.9063 594.378  Time=6.93139

Flow Step  180000, dt =   3.578E-05, t =     6.98

*WARN:Caution: IVC occurs after "Start of Cycle" specified in EngineCrankTrain
      IVC:  -137.Start of Cycle:  -360.
      Some RLTs are calculated at the Start of Cycle, which is assumed to be
      after IVC and may not accurately reflect the real simulations results.
                    VOLEF   IMEP    Pmax     Ieff   REScs FAeff
     Cylinder01:    0.683    7.09   31.44    35.6   6.6   0.0550
     Cylinder02:    0.681    7.04   31.38    35.4   6.7   0.0550
     Cylinder03:    0.677    7.05   31.15    35.7   6.6   0.0550
     Cylinder04:    0.682    7.12   31.30    35.8   6.4   0.0550
     Cylinder05:    0.678    7.03   31.24    35.6   6.7   0.0550
     Cylinder06:    0.678    7.05   31.17    35.7   6.6   0.0550
     Cylinder07:    0.689    7.19   31.67    35.8   6.3   0.0550
     Cylinder08:    0.691    7.24   31.73    35.9   6.2   0.0550
     ENGINE: IMEP =      7.10 bar, VOLEF = 0.682 VOLEFm = 0.682

    FLOW CONVERGENCE:
    YES     Mass  dfmax (%) =     0.1230 at con : P2-4
     NO     Pres. dpmax (%) =     5.6192 at cmp : P800-8
    MECH CONVERGENCE:
     NO     Torq. dTqmx (%) =     2.2723 at cmp : Engine
    Timesteps/cycle=5590, average time step =    0.129 deg

*WARN:Number of points to FFT exceeds maximum dimension for AEM
      after being interpolated onto the next higher power of 2 data points.
      Analysis will be performed on next lowest power of 2 data points.
      This can cause mild aliasing if the data contains frequency content
      near the Nyquist frequency
INFO Number of requested harmonics exceeds maximum of  500
      for object AEM
      Output data will be clipped at  500 harmonics
      which corresponds to a frequency of  2483.63 Hz

MAIN DRIVER: Case# 1  Period# 28  Freq/RPM=9.92017 595.21  Time=7.13274


*WARN:Caution: IVC occurs after "Start of Cycle" specified in EngineCrankTrain
      IVC:  -137.Start of Cycle:  -360.
      Some RLTs are calculated at the Start of Cycle, which is assumed to be
      after IVC and may not accurately reflect the real simulations results.
                    VOLEF   IMEP    Pmax     Ieff   REScs FAeff
     Cylinder01:    0.682    7.08   31.42    35.6   6.6   0.0550
     Cylinder02:    0.681    7.03   31.37    35.4   6.7   0.0550
     Cylinder03:    0.676    7.05   31.12    35.7   6.6   0.0550
     Cylinder04:    0.681    7.11   31.28    35.8   6.4   0.0550
     Cylinder05:    0.677    7.03   31.21    35.6   6.7   0.0550
     Cylinder06:    0.677    7.04   31.15    35.7   6.6   0.0550
     Cylinder07:    0.689    7.18   31.66    35.8   6.3   0.0550
     Cylinder08:    0.690    7.23   31.71    35.9   6.2   0.0550
     ENGINE: IMEP =      7.09 bar, VOLEF = 0.682 VOLEFm = 0.682

    FLOW CONVERGENCE:
    YES     Mass  dfmax (%) =     0.1018 at con : P2-7
     NO     Pres. dpmax (%) =     1.5946 at cmp : P800-13
    MECH CONVERGENCE:
     NO     Torq. dTqmx (%) =     1.8529 at cmp : Engine
    Timesteps/cycle=5585, average time step =    0.129 deg

*WARN:Number of points to FFT exceeds maximum dimension for AEM
      after being interpolated onto the next higher power of 2 data points.
      Analysis will be performed on next lowest power of 2 data points.
      This can cause mild aliasing if the data contains frequency content
      near the Nyquist frequency
INFO Number of requested harmonics exceeds maximum of  500
      for object AEM
      Output data will be clipped at  500 harmonics
      which corresponds to a frequency of  2486.73 Hz

MAIN DRIVER: Case# 1  Period# 29  Freq/RPM=9.93146 595.888  Time=7.33383


*WARN:Caution: IVC occurs after "Start of Cycle" specified in EngineCrankTrain
      IVC:  -137.Start of Cycle:  -360.
      Some RLTs are calculated at the Start of Cycle, which is assumed to be
      after IVC and may not accurately reflect the real simulations results.
                    VOLEF   IMEP    Pmax     Ieff   REScs FAeff
     Cylinder01:    0.682    7.08   31.40    35.6   6.6   0.0550
     Cylinder02:    0.680    7.03   31.35    35.4   6.7   0.0550
     Cylinder03:    0.676    7.04   31.09    35.7   6.6   0.0550
     Cylinder04:    0.681    7.11   31.27    35.8   6.4   0.0550
     Cylinder05:    0.677    7.02   31.20    35.6   6.7   0.0550
     Cylinder06:    0.676    7.03   31.12    35.6   6.6   0.0550
     Cylinder07:    0.688    7.18   31.64    35.8   6.3   0.0550
     Cylinder08:    0.690    7.22   31.69    35.9   6.2   0.0550
     ENGINE: IMEP =      7.09 bar, VOLEF = 0.681 VOLEFm = 0.681

    FLOW CONVERGENCE:
    YES     Mass  dfmax (%) =     0.0542 at con : 47
     NO     Pres. dpmax (%) =     1.6961 at cmp : P800-14
    MECH CONVERGENCE:
     NO     Torq. dTqmx (%) =     1.5108 at cmp : Engine
    Timesteps/cycle=5577, average time step =    0.129 deg

*WARN:Number of points to FFT exceeds maximum dimension for AEM
      after being interpolated onto the next higher power of 2 data points.
      Analysis will be performed on next lowest power of 2 data points.
      This can cause mild aliasing if the data contains frequency content
      near the Nyquist frequency
INFO Number of requested harmonics exceeds maximum of  500
      for object AEM
      Output data will be clipped at  500 harmonics
      which corresponds to a frequency of  2489.35 Hz

MAIN DRIVER: Case# 1  Period# 30  Freq/RPM=9.94067 596.44  Time=7.53471

Flow Step  200000, dt =   3.987E-05, t =     7.70

*WARN:Caution: IVC occurs after "Start of Cycle" specified in EngineCrankTrain
      IVC:  -137.Start of Cycle:  -360.
      Some RLTs are calculated at the Start of Cycle, which is assumed to be
      after IVC and may not accurately reflect the real simulations results.
                    VOLEF   IMEP    Pmax     Ieff   REScs FAeff
     Cylinder01:    0.682    7.07   31.39    35.6   6.6   0.0550
     Cylinder02:    0.680    7.03   31.34    35.4   6.7   0.0550
     Cylinder03:    0.675    7.03   31.07    35.7   6.6   0.0550
     Cylinder04:    0.680    7.10   31.25    35.8   6.4   0.0550
     Cylinder05:    0.677    7.02   31.18    35.6   6.7   0.0550
     Cylinder06:    0.676    7.03   31.11    35.6   6.6   0.0550
     Cylinder07:    0.688    7.18   31.63    35.8   6.3   0.0550
     Cylinder08:    0.690    7.22   31.67    35.9   6.2   0.0550
     ENGINE: IMEP =      7.08 bar, VOLEF = 0.681 VOLEFm = 0.681

    FLOW CONVERGENCE:
    YES     Mass  dfmax (%) =     0.0476 at con : 2
    YES     Pres. dpmax (%) =     3.0367 at cmp : P800-7
    MECH CONVERGENCE:
     NO     Torq. dTqmx (%) =     1.2327 at cmp : Engine
    Timesteps/cycle=5574, average time step =    0.129 deg
    Time step restricted by the following flow components
      P800-15:   7.9%
      P800-11:   7.3%

*WARN:Number of points to FFT exceeds maximum dimension for AEM
      after being interpolated onto the next higher power of 2 data points.
      Analysis will be performed on next lowest power of 2 data points.
      This can cause mild aliasing if the data contains frequency content
      near the Nyquist frequency
INFO Number of requested harmonics exceeds maximum of  500
      for object AEM
      Output data will be clipped at  500 harmonics
      which corresponds to a frequency of  2491.41 Hz

INFO Number of time steps in this case = 200957


*WARN:Single case Microphone plots will be ignored for EntireRun analysis
  ...PROCESSING ORDER DATA AND CREATING OLT FILE

  CASE    COMPUTATIONS:  Elapsed Time: 000:04:43.99

*WARN:Single case Microphone plots will be ignored for EntireRun analysis
Press the "Close monitor(s)" button in the dialog to close the monitors and comp
lete the simulation.
  FINAL   COMPUTATIONS:  Elapsed Time: 000:05:18.63

END OF RUN, FILE = "R8300自吸负荷特性（外混）"
Plot Storage: Releasing Storage.......

SOLVER FINISHED

Creating post-processing (.gx) file...
自吸负荷特性（外混）.gx created.
请按任意键继续. . .


AEM(Acoust ExtMicrophone)
Calculation Duration  EntireRun
Maximum Frequency  5000Hz
High Frequency Filter  24
Source Diameter      315mm
Y Position of Source   1000mm
Distance of Source Above Ground  2500mm

luojian870825

大神们都出来指导交流吧~5555555555555

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这么多数据，看的眼晕呀