View
12
Download
0
Category
Preview:
Citation preview
1CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng1
TRNG I HC BCH KHOA TP. HCM
Khoa Ky Thuat Xay Dng - BM KTTNN
Ging vin: PGS. TS. NGUYN THNG
E-mail: nguyenthong@hcmut.edu.vn or nthong56@yahoo.fr
Web: http://www4.hcmut.edu.vn/~nguyenthong/
Tl. (08) 38 640 979 - 098 99 66 719
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
NI DUNG MN HCCHNG 1: Tng quan v cp ncCHNG 2: Ngun nc & Cng trnh thu nc.CHNG 3: Mng li cp nc khu vc.CHNG 4: Mng li cp nc bn trong.CHNG 5: Mng li thot nc bn trong.CHNG 6: Mng li thot nc khu vc.CHNG 7: Tng quan v x l nc thi.CHNG 8: Phn mm EPANET v SWMM
CP THOT NCChng 8: Phn mm EPANET v SWMM
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
TNH TON TNH TON MNG LI MNG LI
CP NC VICP NC VIPHAN MEM EPANETPHAN MEM EPANET
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
MNG LI CP NC KHU VC
MNG LI VNG
Ngun nc
i nc
im ly nc
1 2 3 4 5
67 8 9
13121110
q3I
II III
IV
V
VI
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
PHAN MEM EPANETay la phan mem cho phep tnh toan thuy lc mang
li ng ong co dong chay co ap:TOM TAT LY THUYET
Ton that nang lng cho moi oan ng ong (i,j):
Va tai moi nut ta co:
Qij: lu lng trong ng ong (ij) Hi: cot nc o ap tai nut i (the nang + ap nang) qk: lu lng tieu thu (+) hoac cap vao (-) tai nut k
ni j ij ijH H h rQ
ik kj ki j
Q Q q 0 ng vo nt
ng ra khi nt
L/l ly dng
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
p dng 2 phng trnh trn cho tonb cc on ng trong mng li vcc nt s nhn c h phngtrnh (phng trnh phi tuyn).
Kt hp vi cc phng trnh biudin iu kin bin.
Gii bng phng php lp tm ctnc o p H ti cc nt.
Ch : y l bi ton m phng theothi gian.
2CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
THONG SO BAN AU Nut;oan ong;ai nc;Be nc (ngun nc v hn); Bm; Options (quy luat thuy lc, thi
gian mo phong, n v,).
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
NUT (Cao o, qtb, N0 pattern)
Cao o (m)Qtb (l/s)N0 pattern:1,2,15,
N0 pattern h s khng iu ha Ki (Qi/Qtb)
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
PATTERN N0 1
Ki 24 gi tr tng ng 24h
trong ngy
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
OAN ONG (L, d)
L(m) d(mm)
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
AI NC Cao o ay aiElevation (m), chieu saunc ban au (m), chieu sau toi thieu (m), chieu sautoi a (m), ng knh ai (m), nu i hnh tr.
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
B CHA
NGUN CP NC V HN
3CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
BM ng cong c tnh bm (Q,H),
Curve, v Pattern (option)
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
OPTION Quy luat thuy lc:
4CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Litre Per Second(n v lu lng)
Hazen Williams(Quy lut thy lc)
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
OPTION (TIME)
THI GIAN M PHNG (h)(24h or 48h or 72h,)
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
V DU 1V DU 1
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
V du: Dung EPANET e mo phong hoatong cua mang li trong 72h.
BE NC
BM
NUT
OAN ONG AI NC
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
XEM V DU XEM V DU vidu0.NETvidu0.NET
Download: Download: ..\\BAI GIANGBAI GIANG
CapthoatnuocCapthoatnuoc
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
n v s dung trong mo phong :H thng n v SI.- Lu lng (l/s)- Ton that nang lng theo Hazen-Williams- Chieu dai (m)- ng knh ong (mm)- Cao trnh (m)- Thi gian mo phong : 72 h.
5CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
SO LIEU NUTNUT 2 3 4 5 6
Cao o (m)
5 10 12 13 12
qtb(l/s) 0 20 25 10 25
Pattern 1 2 1 1
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
SO LIEU NG ONGOng 1 2 3 4 5 6
L(m) 250 250 250 250 250 25
d(mm) 300 200 200 200 200 400
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
SO LIEU AI NC (Hnh tr)Cao
o ay (m)
Chieu sau nc
b/au (m)
Chieu sau toi
thieu (m)
Chieu sau toi a (m)
ng knh
ai (m)
20 3 3 8 6
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
THONG SO BM
Flow (l/s) Head (m)
80 35
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
PATTERN N0 1
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
PATTERN N0 2
6CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
TIME OPTION
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
HYDRAULIQUE OPTION
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
EPANET EPANET VIDU3.NETVIDU3.NET
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
V du 1: Dung EPANET e mo phong hoat ong cua mang li trong 72h.
AI NCNUT MANG
LI
NG ONG
BE
BM
NG ONG
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
n v s dung trong mo phong :- Lu lng (l/s)- Ton that nang lng theo Hazen-
Williams- Chieu dai (m)- ng knh ong (mm)- Cao trnh (m)Thi gian mo phong : 72 h.
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
So lieu ban au cho mang li nh sau :
Nut 2 3 4 5 6Cao o 0 10 12 14 10Lu lng(l/s)
0 20 25 15 20
N0
Pattern1 2 2 1
7CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Pattens N0 1
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Pattens N0 2
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
ng ong:
ai nc:
Ong 1 2 3 4 6L(m) 500 250 250 250 40D (mm) 300 250 200 200 400
Cao o ay ai nc (m) 30Chieu sau nc ban au (m) 6 (*)
Chieu sau nc min (m) 2Chieu sau max (m) 6ng knh ai (m) 6
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
(*) Thong thng chieu sau nc ban au chotrong ai nc la ngau nhien , do o vimo phong lan au th sau chu ky mc ncai se khong ve ung nh ban au gia nh.
e hieu chnh ch can lay so lieu mc nc aicuoi chu ky mo phong va gan gia tr nay chomc nc ban au cua ai.
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
So lieu ve bm 7N0 bm 7
Lu lng bm (l/s) 80
Cot nc bm (m) 30
N0 ng ac tnh may bm
Pattern
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
GIAO DIENGIAO DIENEPANETEPANET
8CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Hng dan nhap so lieu vao EPANET
Chay CT
H/Chnh hnh
Tao nut
Tao be cha
Tao ai
Tao bm
Tao ng ong
Xem ket qua
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
NH NGHA N V S DUNGVao ca so Browser :/ Options / HydraulicsFlow Units LPSHeadloss FormulaH-W
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
THI GIAN KEO DAI MO PHONG : 72H Vao ca so Browser : / Options / TimesTotal Duration 72
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Hien th ky hieu nut, ng ong, ai nc be cha, View / Options / Notation va chon:
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
- Hien th ky hieu hng dong chay :View/Options/FlowArrows :Arrows Style : OpenNhap so lieu nut : V du nut 2.
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Nhap solieupattern :Browser/Data/Paterns/ ... Add (new)
pattern N01
9CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Trong trng hp pattern chonhu cau nc sinh hoat trongmot chu ky tnh ta co gia trtrung bnh cac he so bang 1:Avg. =1.
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
PattenN06 chobm so 6.
Co the dung pattern nay e xac nh gi hoat ongcua bm trong chu ky dung nc.
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
ng ong 1Chieu dai:Length=500mng knhDiameter200mm.
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
ai ncso 12.Cao oay ai
Chieu saunc t=0
Chieu sauNc min& max
ng knhai
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Bm so10 & 6:
Browser/Data/Curves
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
ng actnh bm(PumpCurve)ID 15.
Lu lng(l/s)
Cot nc(m)
10
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
MOTSOKETQUA
Lu lng trong cac ng ong
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
LuLngBm10
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
aiTANK12
Chieusau nctrongaitheo t
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Vantoc
Ong 1
Ong 3
Ong 2
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Apsuat
Nut 2
Nut 3
Nut 4
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Nut 6
Nut 8
Head (z+p/g)
11
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Nut 6
Pressure (p/g)
Nut 6
Nut 8
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Can bang lu lng vao va ra khoi mang li :
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
PHAN MEM TNH PHAN MEM TNH THOAT NC MATHOAT NC MA
SWMMSWMM((SStorage torage WWater ater
MManagement anagement MModel)odel)
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
PHNG PHP THCH HP Dng chy n nh u, Ma xy ra trn ton b khu
vc l nh nhau. Din tch khu vc tng i b
(< 5 10km2).
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
PHAN MEM SWMM Phan mem cho phep tnh toan he
thong thoat nc ma o th hoackhu vc:
- Dong chay trong ong khong hoacco ap.
- Bien : khong oi hoac oi theo thigian.
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
PHAN MEM SWMM - Co the xet s lam viec cua ho ieu
hoa.- o doc at cong
12
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
iem thoat nc khu vc
ng ong thoat nc
iem thu nc khu S3
Tram ma
Dien tch khu thoat
nc
iem nut mang li
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Lu vc S1 S2 S3 S4Tram ma lien he Gage1 Gage1 Gage1 Gage1iem thoat nc J5 J1 J3 J6Ty le d/tch khong
tham (%)50 50 50 50
Dien tch (ha) 10 10 10 10
C/rong trung bnh (m) 400 400 400 400
o doc trung bnh (%) 0.5 0.5 0.5 0.5
Mo hnh tham GREEN GREEN GREEN GREEN
AMPT AMPT AMPT AMPTSO LIEU TIEU KHU VC
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
ng ong tron thoat nc:Ong C1 C2 C3 C4 C5
Hmax(m) 0.75 0.75 0.75 1 1
L (m) 700 500 800 600 500
n 0.01 0.01 0.01 0.01 0.01
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Nut mang li:Nut J1 J2 J3 J4 J5 J6 Out1
Cao o mat at (m)
19.5 19 19 18 19.5 19.5 17
Chieu sau t ay en mat at (m)
2 2.5 4 2.5 2 2
ieu kien bien FREE
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
MA TREN LU VC Tram ma Gage1 tren lu vc. So
lieu ma di dang chuoi thi gian, tnh bang mm/h.
13
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
CHON N V VA LOAI MO HNH ONG LC CHO LU VC
He n v SI : lu lng LPS (l/s) Mo hnh thuy lc loai song ng lc :
dynamic wave Mo hnh tham vao at : Green Ampt
Chng trnh tnh dng chy mt to ra t s liu ma trn tiu khu vc.
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
THTHI GIAN I GIAN M M PHPHNGNG
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
14
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Mo phong3 h27/11/2004
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Tieu khuS1
iem thoatnc
Ty le DTk. tham
Tram malien he
Dien tch (ha)Chieu rong TB
Mo hnhtham
o docTB
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
iem thoat nc khu vc
ng ong thoat nc
iem thu nc khu S3
Tram ma
Dien tch khu thoat
nc
iem nut mang li
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
ngong C1
Ong tronChieu saunc max
Chieu dai(m)
Ten nut lienket au
He so nham(defaut)
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
So lieunut J1
Cao trnh ay cong (m)
Chieu sautoi a tay cong enmat at (m)
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
TrammaGage 1 n v ma dangCng o (mm/h)
Chui t/gian
Ten filen v (mm)
15
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Cngo ma Ten file
chuoi thi gian
mm/h
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
XUXUT T KKT T QUQU
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
XUT KT QU
PGS. Dr. Nguyn Thng
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Ket qua:
ng matNc trac docJ5-J2-J4-Out1Luc 0h45Ngay 27/11
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
16
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
Chieusaunctheo ttai nut.
Nut J4Nut J2
Nut J1
Nut J6Nut J3
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
EXAMPLES
\\ VIDU_SWM \vd111.INP\\ VIDU_SWM \vd222.INP
CP THOT NCChng 8: Phn mm EPANET v SWMM
PGS. TS. Nguyn Thng
HTHT
PGS. Dr. Nguyn Thng
Recommended