01.12.2012 Views

fk4.pdf

fk4.pdf

fk4.pdf

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

• Toliau naudosime tokius žymėjimus:<br />

�<br />

z<br />

i<br />

�<br />

�<br />

�p , r �<br />

3<br />

� i i �dzi � �d<br />

pid<br />

ri<br />

Tarsime, kad tankio funkcija normuota į<br />

�<br />

1<br />

Boltzmano kinetinės lygties pagrindimas (VI)<br />

3 �� , �, N, t�<br />

� ��z<br />

, �,<br />

zN<br />

, t�<br />

vienetą<br />

dz dzN<br />

� � �<br />

�1, � N�<br />

O ,<br />

�1, , N,<br />

t�<br />

�1<br />

�<br />

1 1<br />

Tuomet bet kurios funkcijos , priklausančios nuo molekulių koordinačių,<br />

ansamblio vidurkis yra:<br />

• Užrašysime šiai sistemai Liouvilio<br />

�<br />

�H<br />

pi<br />

� �<br />

�pi<br />

m<br />

�H<br />

�<br />

� � �Fi<br />

�<br />

�r<br />

i<br />

�<br />

i�<br />

j<br />

�<br />

K<br />

ij<br />

�<br />

�1, �,<br />

N,<br />

t�O<br />

�1, � N�<br />

O � dz �dzN<br />

�<br />

,<br />

1<br />

�<br />

� �<br />

�<br />

�<br />

�<br />

N �� �H<br />

��<br />

�H<br />

�<br />

���<br />

�<br />

� � � � � �<br />

�t<br />

i 1 �pi<br />

�ri<br />

�ri<br />

�qi<br />

lygtį: � 0<br />

�<br />

�<br />

�U�ri<br />

�<br />

Fi � � �<br />

�ri<br />

� �<br />

� ��<br />

ri<br />

�rj<br />

Kij � � �<br />

�r<br />

� �<br />

i<br />

�<br />

–išorinio jėga, veikianti i–tą<br />

molekulę<br />

– tarpmolekulinės sąveikos jėga<br />

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!