新疆大学 数学与系统科学学院,新疆 乌鲁木齐 830017
何伟华(2001—),男,硕士生,从事偏微分方程理论及应用的研究,E-mail:15829491824@163.com.
郭俐辉(1979—),男,博士,教授,主要从事偏微分方程理论及应用的研究,E-mail:lihguo@126.com.
收稿:2025-03-02,
修回:2026-02-05,
录用:2026-02-06,
纸质出版:2026-03-25
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何伟华,郭俐辉.预期因子为反Chaplygin气体宏观生产模型黎曼解的渐近极限[J].新疆大学学报(自然科学版中英文),2026,43(2):183-195.
He Weihua,Guo Lihui.The asymptotic limit of the Riemann solution for the macroscopic production model with anti-Chaplygin gas[J].Journal of Xinjiang University(Natural Science Edition in Chinese and English),2026,43(2):183-195.
何伟华,郭俐辉.预期因子为反Chaplygin气体宏观生产模型黎曼解的渐近极限[J].新疆大学学报(自然科学版中英文),2026,43(2):183-195. DOI: 10.13568/j.cnki.651094.651316.2025.03.02.0001.
He Weihua,Guo Lihui.The asymptotic limit of the Riemann solution for the macroscopic production model with anti-Chaplygin gas[J].Journal of Xinjiang University(Natural Science Edition in Chinese and English),2026,43(2):183-195. DOI: 10.13568/j.cnki.651094.651316.2025.03.02.0001.
本文主要研究预期因子为反Chaplygin气体宏观生产模型黎曼解的极限行为.首先,研究模型的黎曼问题,得到3种黎曼解的结构:接触间断和疏散波组合(
<math id="M1"><msub><mrow><mi>J</mi></mrow><mrow><mn mathvariant="normal">1</mn></mrow></msub><mtext> </mtext><mo>+</mo><mtext> </mtext><msub><mrow><mi>R</mi></mrow><mrow><mn mathvariant="normal">2</mn></mrow></msub></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578568&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578579&type=
9.31333351
3.30200005
),接触间断和激波组合(
<math id="M2"><msub><mrow><mi>J</mi></mrow><mrow><mn mathvariant="normal">1</mn></mrow></msub><mtext> </mtext><mo>+</mo><mtext> </mtext><msub><mrow><mi>S</mi></mrow><mrow><mn mathvariant="normal">2</mn></mrow></msub></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578569&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578580&type=
8.97466660
3.30200005
),狄拉克激波(
<math id="M3"><mi>δ</mi><mi>S</mi></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578570&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578581&type=
3.21733332
2.28600001
).其次,研究反Chaplygin气体宏观生产模型的压力消失极限.当扰动参数
<math id="M4"><mi>ε</mi></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578560&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578593&type=
1.26999998
2.28600001
减小到仅依赖初值的参数
<math id="M5"><msub><mrow><mi>ε</mi></mrow><mrow><mn mathvariant="normal">0</mn></mrow></msub></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578561&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578594&type=
2.28600001
3.21733332
时,证明黎曼解(
<math id="M6"><msub><mrow><mi>J</mi></mrow><mrow><mn mathvariant="normal">1</mn></mrow></msub><mtext> </mtext><mo>+</mo><mtext> </mtext><msub><mrow><mi>S</mi></mrow><mrow><mn mathvariant="normal">2</mn></mrow></msub></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578562&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578595&type=
8.97466660
3.30200005
)收敛到反Chaplygin气体状态方程的
<math id="M7"><mi>δ</mi><mi>S</mi></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578570&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578581&type=
3.21733332
2.28600001
.且当
<math id="M8"><mi>ε</mi></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578560&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578593&type=
1.26999998
2.28600001
最终趋于0时,证明
<math id="M9"><mi>δ</mi><mi>S</mi></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578608&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578596&type=
3.21733332
2.28600001
收敛到输运方程的
<math id="M10"><mi>δ</mi><mi>S</mi></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578586&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578597&type=
3.21733332
2.28600001
;此外,还证明黎曼解(
<math id="M11"><msub><mrow><mi>J</mi></mrow><mrow><mn mathvariant="normal">1</mn></mrow></msub><mtext> </mtext><mo>+</mo><mtext> </mtext><msub><mrow><mi>R</mi></mrow><mrow><mn mathvariant="normal">2</mn></mrow></msub></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578587&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578575&type=
9.31333351
3.30200005
)收敛到输运方程的真空解.最后,给出具有代表性的实验结果数值.
This paper mainly studies the limit behavior of Riemann solutions for the macroscopic production model with anti-Chaplygin gas. Firstly
we investigate the Riemann problem associated with this model. Three types of Riemann solutions are obtained: a combination of contact discontinuity and rarefaction wave
<math id="M12"><mo stretchy="false">(</mo><msub><mrow><mi>J</mi></mrow><mrow><mn mathvariant="normal">1</mn></mrow></msub><mtext> </mtext><mo>+</mo><mtext> </mtext><msub><mrow><mi>R</mi></mrow><mrow><mn mathvariant="normal">2</mn></mrow></msub><mo stretchy="false">)</mo></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578588&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578576&type=
12.19200039
3.89466691
a combination of contact discontinuity and shock wave
<math id="M13"><mo stretchy="false">(</mo><msub><mrow><mi>J</mi></mrow><mrow><mn mathvariant="normal">1</mn></mrow></msub><mtext> </mtext><mo>+</mo><mtext> </mtext><msub><mrow><mi>S</mi></mrow><mrow><mn mathvariant="normal">2</mn></mrow></msub><mo stretchy="false">)</mo></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578589&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578577&type=
12.53066730
3.89466691
and Dirac shock wave
<math id="M14"><mo stretchy="false">(</mo><mi>δ</mi><mi>S</mi><mo stretchy="false">)</mo></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578601&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578623&type=
6.09600019
2.87866688
. Secondly
the pressure vanishing limit of the macroscopic production model of the anti-Chaplygin gas is studied. As the perturbation parameter
<math id="M15"><mtext> </mtext><mi>ε</mi><mtext> </mtext></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578613&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578590&type=
2.62466669
2.37066650
decreases to the parameter
<math id="M16"><mtext> </mtext><msub><mrow><mi>ε</mi></mrow><mrow><mn mathvariant="normal">0</mn><mtext> </mtext></mrow></msub></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578591&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578602&type=
3.38666677
3.30200005
which is dependent only on the initial data
it is proved that the Riemann solution (
<math id="M17"><msub><mrow><mi>J</mi></mrow><mrow><mn mathvariant="normal">1</mn></mrow></msub><mtext> </mtext><mo>+</mo><mtext> </mtext><msub><mrow><mi>S</mi></mrow><mrow><mn mathvariant="normal">2</mn><mtext> </mtext></mrow></msub></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578625&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578614&type=
9.31333351
3.30200005
) converges to the
<math id="M18"><mtext> </mtext><mi>δ</mi><mi>S</mi><mtext> </mtext></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578592&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578603&type=
4.40266657
2.37066650
of the anti-Chaplygin gas state equation. Moreover
when
<math id="M19"><mtext> </mtext><mi>ε</mi><mtext> </mtext></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578616&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578615&type=
2.62466669
2.37066650
eventually approaches 0
<math id="M20"><mtext> </mtext></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578604&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578626&type=
0.67733335
0.84666669
the
<math id="M21"><mtext> </mtext><mi>δ</mi><mi>S</mi><mtext> </mtext></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578592&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578603&type=
4.40266657
2.37066650
converges to the
<math id="M22"><mtext> </mtext><mi>δ</mi><mi>S</mi><mtext> </mtext></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578592&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578603&type=
4.40266657
2.37066650
of the transport equation. Additionally
it is proved that the Riemann solution (
<math id="M23"><msub><mrow><mi>J</mi></mrow><mrow><mn mathvariant="normal">1</mn></mrow></msub><mtext> </mtext><mo>+</mo><mtext> </mtext><msub><mrow><mi>R</mi></mrow><mrow><mn mathvariant="normal">2</mn></mrow></msub></math>
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578627&type=
https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=102578638&type=
9.31333351
3.30200005
) converges to the vacuum solution of the transport equation. Finally
we present some representative numerical experimental results.
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